diff --git a/src/gtk/toplevel.cpp b/src/gtk/toplevel.cpp
index eb820f7f15..f8e5019b0d 100644
--- a/src/gtk/toplevel.cpp
+++ b/src/gtk/toplevel.cpp
@@ -593,16 +593,14 @@ void wxTopLevelWindowGTK::DoSetSize( int x, int y, int width, int height, int si
     {
         if (x != -1) m_x = x;
         if (y != -1) m_y = y;
-        if (width != -1) m_width = width;
-        if (height != -1) m_height = height;
     }
     else
     {
         m_x = x;
         m_y = y;
-        m_width = width;
-        m_height = height;
     }
+    if (width != -1) m_width = width;
+    if (height != -1) m_height = height;
 
 /*
     if ((sizeFlags & wxSIZE_AUTO_WIDTH) == wxSIZE_AUTO_WIDTH)
diff --git a/src/gtk/window.cpp b/src/gtk/window.cpp
index d3dac9b822..2786d91934 100644
--- a/src/gtk/window.cpp
+++ b/src/gtk/window.cpp
@@ -2691,16 +2691,14 @@ void wxWindowGTK::DoSetSize( int x, int y, int width, int height, int sizeFlags
         {
             if (x != -1) m_x = x + pizza->xoffset;
             if (y != -1) m_y = y + pizza->yoffset;
-            if (width != -1) m_width = width;
-            if (height != -1) m_height = height;
         }
         else
         {
             m_x = x + pizza->xoffset;
             m_y = y + pizza->yoffset;
-            m_width = width;
-            m_height = height;
         }
+        if (width != -1) m_width = width;
+        if (height != -1) m_height = height;
 
         if ((sizeFlags & wxSIZE_AUTO_WIDTH) == wxSIZE_AUTO_WIDTH)
         {
diff --git a/src/gtk1/toplevel.cpp b/src/gtk1/toplevel.cpp
index eb820f7f15..f8e5019b0d 100644
--- a/src/gtk1/toplevel.cpp
+++ b/src/gtk1/toplevel.cpp
@@ -593,16 +593,14 @@ void wxTopLevelWindowGTK::DoSetSize( int x, int y, int width, int height, int si
     {
         if (x != -1) m_x = x;
         if (y != -1) m_y = y;
-        if (width != -1) m_width = width;
-        if (height != -1) m_height = height;
     }
     else
     {
         m_x = x;
         m_y = y;
-        m_width = width;
-        m_height = height;
     }
+    if (width != -1) m_width = width;
+    if (height != -1) m_height = height;
 
 /*
     if ((sizeFlags & wxSIZE_AUTO_WIDTH) == wxSIZE_AUTO_WIDTH)
diff --git a/src/gtk1/window.cpp b/src/gtk1/window.cpp
index d3dac9b822..2786d91934 100644
--- a/src/gtk1/window.cpp
+++ b/src/gtk1/window.cpp
@@ -2691,16 +2691,14 @@ void wxWindowGTK::DoSetSize( int x, int y, int width, int height, int sizeFlags
         {
             if (x != -1) m_x = x + pizza->xoffset;
             if (y != -1) m_y = y + pizza->yoffset;
-            if (width != -1) m_width = width;
-            if (height != -1) m_height = height;
         }
         else
         {
             m_x = x + pizza->xoffset;
             m_y = y + pizza->yoffset;
-            m_width = width;
-            m_height = height;
         }
+        if (width != -1) m_width = width;
+        if (height != -1) m_height = height;
 
         if ((sizeFlags & wxSIZE_AUTO_WIDTH) == wxSIZE_AUTO_WIDTH)
         {