diff --git a/panda/src/display/Sources.pp b/panda/src/display/Sources.pp
index 79bf6c0eb8..bb586d87bd 100644
--- a/panda/src/display/Sources.pp
+++ b/panda/src/display/Sources.pp
@@ -5,7 +5,7 @@
 #begin lib_target
   #define TARGET display
   #define LOCAL_LIBS \
-    pgraph putil gsgbase gobj linmath mathutil \
+    pgraph cull putil gsgbase gobj linmath mathutil \
     pstatclient
 
   #define COMBINED_SOURCES $[TARGET]_composite1.cxx $[TARGET]_composite2.cxx