diff --git a/python/plugins/processing/algs/r/RAlgorithm.py b/python/plugins/processing/algs/r/RAlgorithm.py
index b23b11fe1e6..48d1fc65889 100644
--- a/python/plugins/processing/algs/r/RAlgorithm.py
+++ b/python/plugins/processing/algs/r/RAlgorithm.py
@@ -139,7 +139,7 @@ class RAlgorithm(GeoAlgorithm):
                 self.commands.append(line)
             self.script += line + '\n'
             try:
-                line = lines.next().strip('\n').strip('\r')
+                line = next(lines).strip('\n').strip('\r')
             except:
                 break