diff --git a/scripts/spell_check/.agignore b/scripts/spell_check/.agignore
index 22708baacac..c3daa737901 100644
--- a/scripts/spell_check/.agignore
+++ b/scripts/spell_check/.agignore
@@ -14,7 +14,7 @@ src/app/gps/qwtpolar-1.0/
 src/app/gps/qwtpolar-1.1.1/
 src/core/pal
 src/plugins/grass/qtermwidget/
-
+src/3d/poly2tri/
 
 
 #Extensions
diff --git a/scripts/spell_check/check_spelling.sh b/scripts/spell_check/check_spelling.sh
index 2a62a760d40..132098ec182 100755
--- a/scripts/spell_check/check_spelling.sh
+++ b/scripts/spell_check/check_spelling.sh
@@ -23,7 +23,7 @@
 # fi
 
 # extensions or files that should be excluded from file list if :% is appended in the spelling.dat file
-EXCLUDE_SCRIPT_LIST='(\.(xml|svg|sip|t2t|pl|sh|qgs|badquote|cmake(\.in)?)|^(debian/copyright|cmake_templates/.*|INSTALL|NEWS|tests/testdata/labeling/README.rst|tests/testdata/font/QGIS-Vera/COPYRIGHT.TXT|doc/(news|INSTALL)\.html)|src/3d/poly2tri/.*)$'
+EXCLUDE_SCRIPT_LIST='(\.(xml|svg|sip|t2t|pl|sh|qgs|badquote|cmake(\.in)?)|^(debian/copyright|cmake_templates/.*|INSTALL|NEWS|tests/testdata/labeling/README.rst|tests/testdata/font/QGIS-Vera/COPYRIGHT.TXT|doc/(news|INSTALL)\.html))$'
 
 DIR=$(git rev-parse --show-toplevel)/scripts/spell_check