diff --git a/TOOLS/mwallp/compile.sh b/TOOLS/mwallp/compile.sh
index 21daceeb4f..7dc19f4e51 100755
--- a/TOOLS/mwallp/compile.sh
+++ b/TOOLS/mwallp/compile.sh
@@ -1,6 +1,6 @@
 echo
 gcc -g mwallp.c jpeg.c ../../libvo/aclib.o ../../libmpcodecs/img_format.o \
     ../../cpudetect.o ../../mp_msg-mencoder.o ../../libavcodec/libavcodec.a \
-    ../../postproc/libswscale.a \
+    ../../postproc/libswscale.a ../../osdep/libosdep.a \
     -I../../libmpcodecs -I../.. -I../../postproc \
     -L/usr/X11/lib -L/usr/X11R6/lib -lX11 -lm -ljpeg -o mwallp