diff --git a/src/p_3dfloors.h b/src/p_3dfloors.h
index df83808ed..f5631d8cc 100644
--- a/src/p_3dfloors.h
+++ b/src/p_3dfloors.h
@@ -4,8 +4,6 @@
 
 //#define _3DFLOORS
 
-#ifdef _3DFLOORS
-
 // 3D floor flags. Most are the same as in Legacy but I added some for EDGE's and Vavoom's features as well.
 typedef enum
 {
@@ -40,6 +38,10 @@ typedef enum
 } ffloortype_e;
 
 
+
+#ifdef _3DFLOORS
+
+
 struct secplane_t;
 
 struct F3DFloor