diff --git a/dlls/winedos/dosmem.c b/dlls/winedos/dosmem.c
index 76bf10c0d55..d453da35ede 100644
--- a/dlls/winedos/dosmem.c
+++ b/dlls/winedos/dosmem.c
@@ -368,7 +368,7 @@ UINT DOSMEM_ResizeBlock(void *ptr, UINT size, BOOL exact)
 
     /* resize needed? */
     if (mcb->size == size)
-        return size;
+        return size << 4;
 
     /* collapse free blocks */
     DOSMEM_Collapse( mcb );