diff --git a/case/Makefile b/case/Makefile
index b78dae7..73a277f 100644
--- a/case/Makefile
+++ b/case/Makefile
@@ -9,7 +9,7 @@ OPENSCAD	= /usr/bin/openscad
 all: $(SCAD_MODELS) $(STL_MODELS)
 
 top-keyboard.scad: SCAD_INPUT = top.scad
-top-outline.scad:  SCAD_INPUT = outline.scad
+top-keyboard.scad: top.scad
 
 $(SCAD_MODELS): $(SCAD_INPUT) $(SCAD_INCLUDE)
 	cat $(SCAD_INCLUDE) $(SCAD_INPUT) > $@