diff --git a/src/wasm/graphite/addTable.py b/src/addTable.py
similarity index 100%
rename from src/wasm/graphite/addTable.py
rename to src/addTable.py
diff --git a/src/wasm/graphite/Makefile b/src/wasm/graphite/Makefile
index 593212cc1..6584df96d 100644
--- a/src/wasm/graphite/Makefile
+++ b/src/wasm/graphite/Makefile
@@ -1,8 +1,11 @@
-all: CharisSIL-R.wasm.ttf Scheherazade-R.wasm.ttf AwamiNastaliq-Regular.wasm.ttf
+FONTS = CharisSIL-R.wasm.ttf Scheherazade-R.wasm.ttf AwamiNastaliq-Regular.wasm.ttf
+ADD_TABLE = ../../addTable.py
 
-%.wasm: %.cc ../hb-wasm-api.h
+all: $(FONTS)
+
+%.wasm: %.cc ../../hb-wasm-api.h
 	emcc \
-		-I .. \
+		-I ../.. \
 		-I ~/graphite/include/ \
 		-fvisibility=hidden \
 		-Wl,--allow-undefined \
@@ -13,10 +16,10 @@ all: CharisSIL-R.wasm.ttf Scheherazade-R.wasm.ttf AwamiNastaliq-Regular.wasm.ttf
 		$< \
 		-o $@
 
-%.wasm.ttf: %.ttf shape.wasm addTable.py
-	python addTable.py $< $@ shape.wasm
+%.wasm.ttf: %.ttf shape.wasm $(ADD_TABLE)
+	python $(ADD_TABLE) $< $@ shape.wasm
 
 clean:
-	$(RM) test.wasm.ttf shape.wasm
+	$(RM) shape.wasm $(FONTS)
 
-.PRECIOUS: shape.wasm
+.PRECIOUS: shap.wasm
diff --git a/src/wasm/sample/addTable.py b/src/wasm/sample/addTable.py
deleted file mode 100644
index 103f292dd..000000000
--- a/src/wasm/sample/addTable.py
+++ /dev/null
@@ -1,16 +0,0 @@
-import sys
-from fontTools.ttLib import TTFont
-from fontTools.ttLib.tables.DefaultTable import DefaultTable
-
-if len(sys.argv) == 1:
-    print("usage: python addTable.py input.ttf output.ttf Wasm.bin")
-    sys.exit(1)
-
-font = TTFont(sys.argv[1])
-
-wasm_table = DefaultTable("Wasm")
-wasm_table.data = open(sys.argv[3], "rb").read()
-
-font["Wasm"] = wasm_table
-
-font.save(sys.argv[2])
diff --git a/src/wasm/sample/c/Makefile b/src/wasm/sample/c/Makefile
index 60606e359..4ee073b64 100644
--- a/src/wasm/sample/c/Makefile
+++ b/src/wasm/sample/c/Makefile
@@ -1,21 +1,23 @@
+ADD_TABLE = ../../../addTable.py
+
 all: test-fallback.wasm.ttf test-ot.wasm.ttf
 
-%.wasm: %.cc ../hb-wasm-api.h
+%.wasm: %.cc ../../../hb-wasm-api.h
 	clang \
 		--target=wasm32-unknown-wasi \
 		-Wl,--no-entry \
 		-fvisibility=hidden \
 		-Wl,--allow-undefined \
 		-nostdlib \
-		-I .. \
+		-I ../../.. \
 		$< \
 		-o $@
 
-test-fallback.wasm.ttf: test.ttf shape-fallback.wasm addTable.py
-	python addTable.py $< $@ shape-fallback.wasm
+test-fallback.wasm.ttf: test.ttf shape-fallback.wasm $(ADD_TABLE)
+	python $(ADD_TABLE) $< $@ shape-fallback.wasm
 
-test-ot.wasm.ttf: test.ttf shape-ot.wasm addTable.py
-	python addTable.py $< $@ shape-ot.wasm
+test-ot.wasm.ttf: test.ttf shape-ot.wasm $(ADD_TABLE)
+	python $(ADD_TABLE) $< $@ shape-ot.wasm
 
 clean:
 	$(RM) test-fallback.wasm.ttf test-ot.wasm.ttf shape-fallback.wasm shape-ot.wasm