diff --git a/panda/src/vision/Sources.pp b/panda/src/vision/Sources.pp
index 46502519ab..3253ee7934 100644
--- a/panda/src/vision/Sources.pp
+++ b/panda/src/vision/Sources.pp
@@ -10,7 +10,7 @@
   #define LOCAL_LIBS \
     display text pgraph gobj linmath putil audio movies
     
-  #define COMBINED_SOURCES $[TARGET]_composite1.cxx
+  #define COMBINED_SOURCES vision_composite1.cxx
 
   #define SOURCES \
     arToolKit.I arToolKit.h \