diff --git a/python/plugins/processing/algs/r/RAlgorithm.py b/python/plugins/processing/algs/r/RAlgorithm.py
index b3466e2d5a8..b23b11fe1e6 100644
--- a/python/plugins/processing/algs/r/RAlgorithm.py
+++ b/python/plugins/processing/algs/r/RAlgorithm.py
@@ -116,7 +116,7 @@ class RAlgorithm(GeoAlgorithm):
         self.passFileNames = False
         self.verboseCommands = []
         ender = 0
-        line = lines.next().strip('\n').strip('\r')
+        line = next(lines).strip('\n').strip('\r')
         while ender < 10:
             if line.startswith('##'):
                 try: