diff --git a/direct/CMakeLists.txt b/direct/CMakeLists.txt
index 6fc755a522..b293728ee1 100644
--- a/direct/CMakeLists.txt
+++ b/direct/CMakeLists.txt
@@ -18,6 +18,7 @@ add_subdirectory(src/interval)
 add_subdirectory(src/showbase)
 
 add_python_module(direct p3dcparser p3deadrec p3distributed p3interval p3showbase)
+target_link_libraries(direct core)
 
 # Installation:
 if(HAVE_PYTHON)
diff --git a/panda/CMakeLists.txt b/panda/CMakeLists.txt
index 84184d1295..1283fa1b80 100644
--- a/panda/CMakeLists.txt
+++ b/panda/CMakeLists.txt
@@ -97,10 +97,13 @@ add_python_module(core ${CORE_MODULE_COMPONENTS} LINK panda)
 
 if(HAVE_EGG)
   add_python_module(egg p3egg p3egg2pg)
+  target_link_libraries(egg core)
 endif()
 
 add_python_module(physics p3physics p3particlesystem)
+target_link_libraries(physics core)
 
 if(HAVE_ODE)
   add_python_module(ode p3ode)
+  target_link_libraries(ode core)
 endif()