diff --git a/python/plugins/processing/gui/AlgorithmDialogBase.py b/python/plugins/processing/gui/AlgorithmDialogBase.py
index 7a1cff0476c..94775e8919b 100644
--- a/python/plugins/processing/gui/AlgorithmDialogBase.py
+++ b/python/plugins/processing/gui/AlgorithmDialogBase.py
@@ -172,7 +172,7 @@ class AlgorithmDialogBase(BASE, WIDGET):
         QCoreApplication.processEvents()
 
     def error(self, text):
-        self.setInfo(msg, error=True)
+        self.setInfo(text, error=True)
 
     def setParamValues(self):
         pass