diff --git a/dtool/src/parser-inc/Sources.pp b/dtool/src/parser-inc/Sources.pp
index 68c68024b6..3410c6f0d9 100644
--- a/dtool/src/parser-inc/Sources.pp
+++ b/dtool/src/parser-inc/Sources.pp
@@ -13,6 +13,6 @@
     avcodec.h avformat.h avio.h avutil.h integer.h \
     intfloat_readwrite.h mathematics.h rational.h rtp.h \
     rtsp.h rtspcodes.h setjmp.h winsock2.h \
-    ode/ode.h collision_trimesh.h  \
+    ode/ode.h collision_trimesh.h artools.h \
     netinet/tcp.h netinet/ip.h sys/socket.h \
     rfftw.h libtar.h malloc.h ucontext.h ctype.h