diff --git a/pandatool/src/maya/mayaShaderColorDef.h b/pandatool/src/maya/mayaShaderColorDef.h
index 35b2cb1810..456f4d1719 100755
--- a/pandatool/src/maya/mayaShaderColorDef.h
+++ b/pandatool/src/maya/mayaShaderColorDef.h
@@ -19,6 +19,8 @@
 
 #include "luse.h"
 #include "lmatrix.h"
+#include "pmap.h"
+#include "pvector.h"
 
 class MObject;
 class MPlug;