diff --git a/lib/fastimage.rb b/lib/fastimage.rb
index 2e51766..d6d8671 100644
--- a/lib/fastimage.rb
+++ b/lib/fastimage.rb
@@ -547,7 +547,7 @@ class FastImage
       :webp if @stream.peek(12)[8..11] == "WEBP"
     when "<s"
       :svg if @stream.peek(4) == "<svg"
-    when /<[?!]/
+    when /\s\s|\s<|<[?!]/
       # Peek 10 more chars each time, and if end of file is reached just raise
       # unknown. We assume the <svg tag cannot be within 10 chars of the end of
       # the file, and is within the first 250 chars.
diff --git a/test/fixtures/test5.svg b/test/fixtures/test5.svg
new file mode 100644
index 0000000..bd7c51e
--- /dev/null
+++ b/test/fixtures/test5.svg
@@ -0,0 +1 @@
+        <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 255.23 48.91"><title>Logo-Bw</title><path d="M52.74,15.13c0-1.22-.14-7.89-.23-8.69-.14-1.13-.75-1.31-2-1.31H47.9c-.23,0-.38,0-.38-.33V3.54c0-.19.14-.24.33-.24.61,0,2.68.14,6.9.14,1.22,0,5.92-.14,7-.14C67.81,3.3,72.88,4,77,7.53a15.14,15.14,0,0,1,5.21,12,16.72,16.72,0,0,1-4.65,12.35c-4.51,5-11,5-14.6,5-3,0-6.53-.14-8.64-.14-4.08,0-6,.14-6.62.14-.23,0-.33-.09-.33-.33V35.27c0-.19.14-.28.38-.28h3.15c.89,0,1.41-.38,1.5-1.13.14-1,.33-11.55.33-15.21Zm4.32,4.55c0,.61,0,8.59.09,11.5a4.41,4.41,0,0,0,.8,2.63c.75,1,2.63,1.5,5,1.5a13.77,13.77,0,0,0,11-5.07,17.21,17.21,0,0,0,3.43-10.56A16.66,16.66,0,0,0,73.54,9.31C71.1,6.63,67,4.8,61.75,4.8c-1,0-3,0-3.76.47a2.5,2.5,0,0,0-.89,2.21c0,2,0,8.12,0,8.87Z" transform="translate(-47.39 -0.55)"/><path d="M87.25,24.19a12,12,0,0,0-.14,2.25c0,4.6,2.91,8.07,6.67,8.07a6.36,6.36,0,0,0,5.68-3.19.38.38,0,0,1,.42-.23l.61.33c.14,0,.23.19,0,.7C99.64,34,97.2,37.25,93,37.25c-2.68,0-5.63-.8-7.37-3.33s-2.07-4.13-2.07-7.42a10.57,10.57,0,0,1,3-7.47,8.7,8.7,0,0,1,6.71-2.49c5.4,0,6.9,5.07,6.9,6.9,0,.66-.56.75-1.31.75Zm7.46-1.41c.89,0,1.27-.23,1.27-.66,0-1.08-.56-4.18-3.61-4.18-2.07,0-4,1.36-4.93,4.84Z" transform="translate(-47.39 -0.55)"/><path d="M103.4,35.88c-.23-.14-.23-.42-.28-.66l-.8-4.46c0-.23.09-.33.28-.37l.61-.14c.19,0,.33,0,.42.28l1.17,2.3c.94,1.74,1.6,2.91,4.08,2.91,1.64,0,3.71-1,3.71-3.19s-1-3.33-4.55-4.32c-2.77-.8-5.54-2.25-5.54-6,0-3.24,3.05-5.73,6.57-5.73a8.75,8.75,0,0,1,4.32,1c.7.33.8.56.84.84l.7,3.29a.44.44,0,0,1-.33.42l-.56.19c-.19,0-.28,0-.42-.24L112,19.87A3.59,3.59,0,0,0,108.75,18c-1.78,0-3.62,1.08-3.62,3.1,0,2.72,2.21,3.24,4.51,3.9,3.43,1,5.59,2.4,5.63,6,0,3.8-3.15,6.2-7.14,6.2A8.84,8.84,0,0,1,103.4,35.88Z" transform="translate(-47.39 -0.55)"/><path d="M120.16,23c0-1.59-.28-2.44-2.63-2.82-.33,0-.42-.14-.42-.33v-.42c0-.14.09-.23.33-.33a38.43,38.43,0,0,0,5.07-2.3,1.93,1.93,0,0,1,.89-.28c.23,0,.28.23.23.56-.09.8-.09,3.76-.09,7.65v5.12c0,1.83,0,3.52,0,4,.09.89.23,1.22.75,1.22h2.16c.38,0,.47.14.47.42v.8c0,.33-.09.47-.42.47s-2.54-.14-4.51-.14c-2.72,0-4.55.14-5.07.14-.23,0-.38-.09-.38-.37v-.94c0-.28.14-.37.47-.37h2.3c.52,0,.7-.19.75-.94,0-1.41,0-2.86,0-4.27ZM117.95,8.61a2.77,2.77,0,0,1,3-2.63,2.47,2.47,0,0,1,2.53,2.49,2.69,2.69,0,0,1-2.82,2.77A2.86,2.86,0,0,1,117.95,8.61Z" transform="translate(-47.39 -0.55)"/><path d="M128.7,47.95a4.25,4.25,0,0,1-2.39-3.8c0-2.63,2.68-4.65,4.93-5.63v-.19A3.64,3.64,0,0,1,128.09,35c0-2.25,2.58-3.85,4.23-4.46v-.09A7.46,7.46,0,0,1,128,23.35c0-3.05,2.72-6.81,8-6.81a7.53,7.53,0,0,1,5.91,2.72,8.34,8.34,0,0,1,4.41-1.83c1.55,0,2.3,1,2.21,2a1.79,1.79,0,0,1-1.83,1.74,2.35,2.35,0,0,1-1.64-.7,1.86,1.86,0,0,0-1-.42,3.4,3.4,0,0,0-1.5.28,8.87,8.87,0,0,1,.7,3.57,7.73,7.73,0,0,1-1.74,5.07A8.39,8.39,0,0,1,133.68,31c-.94.38-2.49,1.31-2.49,2.63,0,1.93,2.35,1.78,5.49,1.6,3.85-.19,6.2.23,8.07,1.69a5.52,5.52,0,0,1,2.3,4.51,6.7,6.7,0,0,1-3.15,5.77,14.12,14.12,0,0,1-8,2.21A14.7,14.7,0,0,1,128.7,47.95Zm15.49-4.84c0-2.77-2.11-4.88-6.81-4.55l-4.51.33c-1.46.37-3.76,2-3.76,4.51A4.51,4.51,0,0,0,131,46.63c1.55,1.08,3.24,1.31,6.57,1.31C139.27,47.95,144.43,46.73,144.19,43.11Zm-4.37-20a5.83,5.83,0,0,0-1.27-4.23,3.56,3.56,0,0,0-2.25-1A4.31,4.31,0,0,0,133,19.17c-1.5,1.6-1.69,3.76-1.69,5.54a5.84,5.84,0,0,0,1.5,4.08A3.83,3.83,0,0,0,135.6,30C138.8,30,139.83,26.07,139.83,23.11Z" transform="translate(-47.39 -0.55)"/><path d="M168.7,34.15c0,.75.42,1,1,1h1.5c.42,0,.52.14.52.42v.75c0,.33-.09.52-.38.52s-1.78-.14-4.46-.14c-2.39,0-3.9.14-4.22.14s-.37-.14-.37-.52v-.75c0-.33.14-.42.61-.42h1.36c.52,0,.89-.24.94-1.08,0-1.22.09-2.72.09-3.94v-6.2c0-1.88,0-3.24-1.36-4.22a5.14,5.14,0,0,0-3.43-.84,5.5,5.5,0,0,0-3.8,1.83,4.6,4.6,0,0,0-1.08,3.19v9.72c0,1.27.14,1.55,1.13,1.55H158c.38,0,.47.14.47.47v.8c0,.28-.09.42-.33.42s-1.6-.14-4.08-.14-3.9.14-4.18.14-.33-.14-.33-.42v-.84c0-.28.09-.42.47-.42h1.36c.61,0,.94-.14.94-.94v-11a2.89,2.89,0,0,0-1.93-2.77l-.37-.19c-.33-.14-.37-.28-.37-.42v-.24c0-.23.19-.37.42-.47l4-2.25a2.51,2.51,0,0,1,.84-.33c.24,0,.33.19.38.56L155.6,20h.09c1.36-1.69,4.08-3.43,6.43-3.43a7.24,7.24,0,0,1,4,1A6.84,6.84,0,0,1,168.7,22Z" transform="translate(-47.39 -0.55)"/><path d="M200.43,34.52c-1.3,1.17-5.22,2.3-9.11,2.3-8.15,0-13-4.85-13-11.7,0-9.9,9.4-19.14,18.77-19.14,7.27,0,11.12,4.35,11.12,11.16a11.89,11.89,0,0,1-11.87,11.7,1.55,1.55,0,0,1-1.55-1.38,17.59,17.59,0,0,1,1.46-5l-.17-.08c-1.67,2.34-5.56,6.44-8.73,6.44a2.2,2.2,0,0,1-2.13-2.42c0-5.56,7-13.67,11.87-13.67a2.57,2.57,0,0,1,2.55,1.46l.54-.79c.17-.25.25-.29.42-.29h1.59c.34,0,.29.25.21.42-.59,1-2.8,6.48-3.05,7.06-.54,1.21-1.75,4.43-1.75,5.77,0,.59.46.84,1.21.84,2.26,0,6.85-3.39,6.85-10.53,0-6.14-3.38-9.19-9-9.19-8.53,0-15.21,8.94-15.21,17.05,0,6.77,4.55,10.7,10.53,10.66,2.67,0,5.56-.21,7.94-1.71ZM189.14,27c2.55,0,7.36-6.14,8-7.52a8.26,8.26,0,0,0,1.13-3.26c0-1.17-.67-2.21-1.75-2.21-3.47,0-8.4,8.06-8.4,11.66C188.14,26.46,188.47,27,189.14,27Z" transform="translate(-47.39 -0.55)"/><path d="M223.46,35.79a9,9,0,0,1-5.85-6.59c-.59-2.21-.79-5.5-.79-11.94V5.56c0-1.72-.34-2.51-1.87-2.51h-2.31c-.29,0-.34-.1-.34-.44V1.53c0-.29,0-.39.44-.39s2.9.15,6.73.15,6.19-.15,6.74-.15.44.1.44.29V2.71c0,.25,0,.34-.39.34h-2.46a2.22,2.22,0,0,0-2.36,2c0,.44-.1,3.88-.1,6.39V14.7c0,2.6.2,8.85.25,10.42a11.79,11.79,0,0,0,1.57,6.24c1.82,2.65,5,3.54,7.82,3.54a10.47,10.47,0,0,0,7.37-2.7c1.92-2.06,2.56-5,2.56-8.65V13c0-3.74-.1-6.59-.25-7.82a2.19,2.19,0,0,0-2.21-2.16h-2.16c-.29,0-.34-.15-.34-.39V1.48c0-.25,0-.34.34-.34.49,0,2.75.15,6,.15s5-.15,5.41-.15.49.2.49.34V2.56c0,.29,0,.49-.3.49h-2c-1.82,0-2,1.38-2.11,2s-.1,7.47-.1,8.16-.1,9.29-.25,11.21c-.29,4-1.37,7.13-4.13,9.49-2,1.82-5,2.95-9.24,2.95A18.27,18.27,0,0,1,223.46,35.79Z" transform="translate(-47.39 -0.55)"/><path d="M251.28,34.26c-.59-.44-.88-.59-1.13-.59s-.49.34-.79.83-.54.59-.88.59-.54-.25-.44-.79c.2-1.23.69-7.47.83-8.9,0-.29.15-.29.34-.29l.74,0c.2,0,.29.1.29.39a9.66,9.66,0,0,0,1.77,5.7,8.21,8.21,0,0,0,6.88,3.64c3,0,6.69-1.82,6.69-6.24,0-5.06-3.64-6.93-7.57-8.31-1.52-.54-5.06-1.77-7.18-4-1.62-1.62-2.46-3.93-2.46-7.18a9.29,9.29,0,0,1,3-6.29A9.79,9.79,0,0,1,258.31.55a14.17,14.17,0,0,1,5.8,1.23c.44.25.69.2.93,0l.64-.59a1,1,0,0,1,.64-.29c.25,0,.39.39.39.84,0,1.72.64,6.73.69,7.82,0,.25,0,.34-.25.39l-.59.15a.21.21,0,0,1-.29-.15,11.92,11.92,0,0,0-3-5.46,6.86,6.86,0,0,0-5.36-2.11,5.57,5.57,0,0,0-5.95,5.75,6,6,0,0,0,1.52,4.28,15.46,15.46,0,0,0,5.6,3c3.39,1.08,6.14,1.92,7.91,4.08a9.6,9.6,0,0,1,2.16,6.68c0,5.8-3.54,10.76-10,10.76A12.1,12.1,0,0,1,251.28,34.26Z" transform="translate(-47.39 -0.55)"/><path d="M275.46,32.3c-3.54-3.34-5.26-9-5.26-13.76a18.68,18.68,0,0,1,5-13,17.12,17.12,0,0,1,12.29-5,20.42,20.42,0,0,1,9.93,2.7c.64.39.89.34,1,0l.39-1.42c.1-.29.2-.29.64-.29s.54.1.54.79c0,.93,1,8.16,1.23,9.54,0,.25,0,.44-.2.49l-.74.2c-.25,0-.34,0-.49-.39A19,19,0,0,0,296,6.05a11.39,11.39,0,0,0-8.55-3.78c-8.8,0-12.34,7.82-12.29,15a19.68,19.68,0,0,0,4.72,12.63C283.18,33.63,286,34,289.27,34a15,15,0,0,0,12.14-6.24c.15-.25.25-.29.39-.15l.64.49c.15.1.25.2.1.44-2.95,4.28-7.72,8.26-14.65,8.26C282.1,36.82,278.41,35,275.46,32.3Z" transform="translate(-47.39 -0.55)"/></svg>
diff --git a/test/test.rb b/test/test.rb
index 894fda2..f0c68a0 100644
--- a/test/test.rb
+++ b/test/test.rb
@@ -39,6 +39,7 @@ GoodFixtures = {
   "test2.svg" => [:svg, [366, 271]],
   "test3.svg" => [:svg, [255, 48]],
   "test4.svg" => [:svg, [271, 271]],
+  "test5.svg" => [:svg, [255, 48]],
   "orient_6.jpg"=>[:jpeg, [1250,2500]]
 }