diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 79f40ae5c..40aa5ae37 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -1279,6 +1279,7 @@ set (PCH_SOURCES
 	p_3dfloors.cpp
 	p_3dmidtex.cpp
 	p_acs.cpp
+	p_actionfunctions.cpp
 	p_buildmap.cpp
 	p_ceiling.cpp
 	p_conversation.cpp
@@ -1417,7 +1418,6 @@ set (PCH_SOURCES
 	textures/warptexture.cpp
 	thingdef/olddecorations.cpp
 	thingdef/thingdef.cpp
-	thingdef/thingdef_codeptr.cpp
 	thingdef/thingdef_data.cpp
 	thingdef/thingdef_exp.cpp
 	thingdef/thingdef_expression.cpp
diff --git a/src/thingdef/thingdef_codeptr.cpp b/src/p_actionfunctions.cpp
similarity index 100%
rename from src/thingdef/thingdef_codeptr.cpp
rename to src/p_actionfunctions.cpp