Index: GraphicsMagick-1.3.45/coders/wpg.c
===================================================================
--- GraphicsMagick-1.3.45.orig/coders/wpg.c
+++ GraphicsMagick-1.3.45/coders/wpg.c
@@ -1708,7 +1708,7 @@ UnpackRaster1bpp:
               if (PaletteAllocBytes != Max(4*(WPG_Palette.StartIndex+WPG_Palette.NumOfEntries),4*256))
                 {
                   PaletteAllocBytes = Max(4*(WPG_Palette.StartIndex+WPG_Palette.NumOfEntries),4*256);
-                  MagickReallocateResourceLimitedMemory(unsigned char *,pPalette,PaletteAllocBytes);
+                  pPalette=MagickReallocateResourceLimitedMemory(unsigned char *,pPalette,PaletteAllocBytes);
                 }
               if(pPalette==NULL)
                 ThrowReaderException(ResourceLimitError,MemoryAllocationFailed,image);