diff --git a/.github/workflows/c-cpp.yml b/.github/workflows/c-cpp.yml
new file mode 100644
index 0000000..c95ff2a
--- /dev/null
+++ b/.github/workflows/c-cpp.yml
@@ -0,0 +1,19 @@
+name: C CI
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v3
+    - name: make
+      run: make
+    - name: example
+      run: make example
diff --git a/Makefile b/Makefile
index bed608a..c3346c6 100644
--- a/Makefile
+++ b/Makefile
@@ -14,11 +14,11 @@ build/hbas: build src/hbas.c
 	${CC} ${CFLAGS} ${CFLAGS_EXTRA} src/hbas.c -o build/hbas
 
 build/example.hbf: build build/hbas examples/example.S
-	./hbas < examples/example.S > build/example.hbf
+	./build/hbas < examples/example.S > build/example.hbf
 	xxd build/example.hbf
 
 clean:
 	rm -rf build
 
 all:
-	hbas
\ No newline at end of file
+	hbas