diff --git a/src/lib/aqdiagram/draw/w_mlayout.c b/src/lib/aqdiagram/draw/w_mlayout.c
index a828d3e..f560838 100644
--- a/src/lib/aqdiagram/draw/w_mlayout.c
+++ b/src/lib/aqdiagram/draw/w_mlayout.c
@@ -19,7 +19,7 @@
 
 
 
-AQDG_OBJECT *AQDG_MatrixLayoutWidgetByRows_new(AQDG_OBJECT *parent, uint32_t options, int columns, AQDG_DRAW_CONTEXT *drawContext)
+AQDG_OBJECT *AQDG_MatrixLayoutWidgetByRows_new(AQDG_OBJECT *parent, uint32_t options, AQDG_DRAW_CONTEXT *drawContext, int columns)
 {
   AQDG_OBJECT *object;
 
@@ -31,7 +31,7 @@ AQDG_OBJECT *AQDG_MatrixLayoutWidgetByRows_new(AQDG_OBJECT *parent, uint32_t opt
 
 
 
-AQDG_OBJECT *AQDG_MatrixLayoutWidgetByColumns_new(AQDG_OBJECT *parent, uint32_t options, int rows, AQDG_DRAW_CONTEXT *drawContext)
+AQDG_OBJECT *AQDG_MatrixLayoutWidgetByColumns_new(AQDG_OBJECT *parent, uint32_t options, AQDG_DRAW_CONTEXT *drawContext, int rows)
 {
   AQDG_OBJECT *object;
 
diff --git a/src/lib/aqdiagram/draw/w_mlayout.h b/src/lib/aqdiagram/draw/w_mlayout.h
index 3fb489a..08d04b4 100644
--- a/src/lib/aqdiagram/draw/w_mlayout.h
+++ b/src/lib/aqdiagram/draw/w_mlayout.h
@@ -15,11 +15,13 @@
 #include <aqdiagram/draw/context.h>
 
 
-AQDG_API AQDG_OBJECT *AQDG_MatrixLayoutWidgetByRows_new(AQDG_OBJECT *parent, uint32_t options, int columns,
-                                                        AQDG_DRAW_CONTEXT *drawContext);
+AQDG_API AQDG_OBJECT *AQDG_MatrixLayoutWidgetByRows_new(AQDG_OBJECT *parent, uint32_t options,
+                                                        AQDG_DRAW_CONTEXT *drawContext,
+                                                        int columns);
 
-AQDG_API AQDG_OBJECT *AQDG_MatrixLayoutWidgetByColumns_new(AQDG_OBJECT *parent, uint32_t options, int rows,
-                                                           AQDG_DRAW_CONTEXT *drawContext);
+AQDG_API AQDG_OBJECT *AQDG_MatrixLayoutWidgetByColumns_new(AQDG_OBJECT *parent, uint32_t options,
+                                                           AQDG_DRAW_CONTEXT *drawContext,
+                                                           int rows);