diff --git a/src/hardware/hw_defs.h b/src/hardware/hw_defs.h
index ea7117315..715c45ef3 100644
--- a/src/hardware/hw_defs.h
+++ b/src/hardware/hw_defs.h
@@ -74,6 +74,12 @@ typedef struct
 	FLOAT x,y;
 } F2DCoord, v2d_t;
 
+// Simple 3D vector
+typedef struct FVector
+{
+	FLOAT x,y,z;
+} FVector;
+
 // ======================
 //      wallVert3D
 // ----------------------
diff --git a/src/m_menu.c b/src/m_menu.c
index 33ea6b42c..8ba4b20db 100644
--- a/src/m_menu.c
+++ b/src/m_menu.c
@@ -314,7 +314,10 @@ menu_t OP_VideoOptionsDef, OP_VideoModeDef, OP_ColorOptionsDef;
 #ifdef HWRENDER
 static void M_OpenGLOptionsMenu(void);
 menu_t OP_OpenGLOptionsDef;
-#endif
+#ifdef ALAM_LIGHTING
+menu_t OP_OpenGLLightingDef;
+#endif // ALAM_LIGHTING
+#endif // HWRENDER
 menu_t OP_SoundOptionsDef;
 menu_t OP_SoundAdvancedDef;