diff --git a/python/core/effects/qgsblureffect.sip b/python/core/effects/qgsblureffect.sip
index f5073945a6d..eb762bcff0e 100644
--- a/python/core/effects/qgsblureffect.sip
+++ b/python/core/effects/qgsblureffect.sip
@@ -25,7 +25,7 @@ class QgsBlurEffect : QgsPaintEffect
      * @param map encoded properties string map
      * @returns new QgsBlurEffect
      */
-    static QgsPaintEffect* create( const QgsStringMap& ) /Factory/;
+    static QgsPaintEffect* create( const QgsStringMap& map ) /Factory/;
 
     QgsBlurEffect();
     virtual ~QgsBlurEffect();
diff --git a/python/core/effects/qgscoloreffect.sip b/python/core/effects/qgscoloreffect.sip
index f60dfe3e68e..6510e9eea00 100644
--- a/python/core/effects/qgscoloreffect.sip
+++ b/python/core/effects/qgscoloreffect.sip
@@ -18,7 +18,7 @@ class QgsColorEffect : QgsPaintEffect
      * @param map encoded properties string map
      * @returns new QgsColorEffect
      */
-    static QgsPaintEffect* create( const QgsStringMap& ) /Factory/;
+    static QgsPaintEffect* create( const QgsStringMap& map ) /Factory/;
 
     QgsColorEffect();
     virtual ~QgsColorEffect();
diff --git a/python/core/effects/qgstransformeffect.sip b/python/core/effects/qgstransformeffect.sip
index b2889d66c17..27c686a12f6 100644
--- a/python/core/effects/qgstransformeffect.sip
+++ b/python/core/effects/qgstransformeffect.sip
@@ -18,7 +18,7 @@ class QgsTransformEffect : QgsPaintEffect
      * @param map encoded properties string map
      * @returns new QgsTransformEffect
      */
-    static QgsPaintEffect* create( const QgsStringMap& ) /Factory/;
+    static QgsPaintEffect* create( const QgsStringMap& map ) /Factory/;
 
     QgsTransformEffect();
     virtual ~QgsTransformEffect();
diff --git a/src/core/effects/qgsblureffect.h b/src/core/effects/qgsblureffect.h
index 416e3a43f1e..6cc654f341d 100644
--- a/src/core/effects/qgsblureffect.h
+++ b/src/core/effects/qgsblureffect.h
@@ -45,7 +45,7 @@ class CORE_EXPORT QgsBlurEffect : public QgsPaintEffect
      * @param map encoded properties string map
      * @returns new QgsBlurEffect
      */
-    static QgsPaintEffect* create( const QgsStringMap& );
+    static QgsPaintEffect* create( const QgsStringMap& map );
 
     QgsBlurEffect();
     virtual ~QgsBlurEffect();
diff --git a/src/core/effects/qgscoloreffect.h b/src/core/effects/qgscoloreffect.h
index 72152785813..4f4cbbd7705 100644
--- a/src/core/effects/qgscoloreffect.h
+++ b/src/core/effects/qgscoloreffect.h
@@ -39,7 +39,7 @@ class CORE_EXPORT QgsColorEffect : public QgsPaintEffect
      * @param map encoded properties string map
      * @returns new QgsColorEffect
      */
-    static QgsPaintEffect* create( const QgsStringMap& );
+    static QgsPaintEffect* create( const QgsStringMap& map );
 
     QgsColorEffect();
     virtual ~QgsColorEffect();
diff --git a/src/core/effects/qgstransformeffect.h b/src/core/effects/qgstransformeffect.h
index c53173ce359..ea1d1f75125 100644
--- a/src/core/effects/qgstransformeffect.h
+++ b/src/core/effects/qgstransformeffect.h
@@ -40,7 +40,7 @@ class CORE_EXPORT QgsTransformEffect : public QgsPaintEffect
      * @param map encoded properties string map
      * @returns new QgsTransformEffect
      */
-    static QgsPaintEffect* create( const QgsStringMap& );
+    static QgsPaintEffect* create( const QgsStringMap& map );
 
     QgsTransformEffect();
     virtual ~QgsTransformEffect();