diff --git a/php/tests/test_include.proto b/php/tests/test_include.proto
new file mode 100644
index 000000000..9844617fa
--- /dev/null
+++ b/php/tests/test_include.proto
@@ -0,0 +1,7 @@
+syntax = "proto3";
+
+package bar;
+
+message TestInclude {
+  int32 a = 1;
+}