diff --git a/source/blender/makesrna/intern/rna_space.c b/source/blender/makesrna/intern/rna_space.c
index c6d36d206be..1dcee4bf726 100644
--- a/source/blender/makesrna/intern/rna_space.c
+++ b/source/blender/makesrna/intern/rna_space.c
@@ -48,6 +48,7 @@
 #include "WM_api.h"
 #include "WM_types.h"
 
+#include "RE_engine.h"
 #include "RE_pipeline.h"
 
 EnumPropertyItem space_type_items[] = {