diff --git a/test cases/vala/11 mixed sources/bar.vala b/test cases/vala/11 mixed sources/bar.vala
new file mode 100644
index 000000000..10dce1ee9
--- /dev/null
+++ b/test cases/vala/11 mixed sources/bar.vala	
@@ -0,0 +1,5 @@
+extern int test ();
+
+public int main (string[] args) {
+	return test ();
+}
diff --git a/test cases/vala/11 mixed sources/foo.c b/test cases/vala/11 mixed sources/foo.c
new file mode 100644
index 000000000..05910a6f9
--- /dev/null
+++ b/test cases/vala/11 mixed sources/foo.c	
@@ -0,0 +1,3 @@
+int test () {
+    return 0;
+}
diff --git a/test cases/vala/11 mixed sources/meson.build b/test cases/vala/11 mixed sources/meson.build
new file mode 100644
index 000000000..c84c8cdad
--- /dev/null
+++ b/test cases/vala/11 mixed sources/meson.build	
@@ -0,0 +1,5 @@
+project('foo', 'c', 'vala')
+
+glib = dependency('glib-2.0')
+
+executable('foo', 'foo.c', 'bar.vala', dependencies: [glib])