diff --git a/python/plugins/processing/algs/r/RAlgorithm.py b/python/plugins/processing/algs/r/RAlgorithm.py
index 6624086c81b8..5a4977a2962b 100644
--- a/python/plugins/processing/algs/r/RAlgorithm.py
+++ b/python/plugins/processing/algs/r/RAlgorithm.py
@@ -232,7 +232,7 @@ def processInputParameterToken(self, token, name):
                     break
             if found:
                 param = ParameterTableField(name, desc, field)
-	elif token.lower().strip().startswith('multiple field'):
+        elif token.lower().strip().startswith('multiple field'):
             field = token.strip()[len('multiple field') + 1:]
             found = False
             for p in self.parameters: