diff --git a/src/cmd/cgo/doc.go b/src/cmd/cgo/doc.go
index 9ff5fd41901c90..ef5272299bbf07 100644
--- a/src/cmd/cgo/doc.go
+++ b/src/cmd/cgo/doc.go
@@ -796,7 +796,7 @@ Instead, the build process generates an object file using dynamic
 linkage to the desired libraries. The main function is provided by
 _cgo_main.c:
 
-	int main() { return 0; }
+	int main(int argc, char **argv) { return 0; }
 	void crosscall2(void(*fn)(void*), void *a, int c, uintptr_t ctxt) { }
 	uintptr_t _cgo_wait_runtime_init_done(void) { return 0; }
 	void _cgo_release_context(uintptr_t ctxt) { }
diff --git a/src/cmd/cgo/out.go b/src/cmd/cgo/out.go
index 954c4b70c954eb..5e67cc2d334598 100644
--- a/src/cmd/cgo/out.go
+++ b/src/cmd/cgo/out.go
@@ -59,7 +59,7 @@ func (p *Package) writeDefs() {
 
 	// Write C main file for using gcc to resolve imports.
 	fmt.Fprintf(fm, "#include <stddef.h>\n") // For size_t below.
-	fmt.Fprintf(fm, "int main() { return 0; }\n")
+	fmt.Fprintf(fm, "int main(int argc __attribute__((unused)), char **argv __attribute__((unused))) { return 0; }\n")
 	if *importRuntimeCgo {
 		fmt.Fprintf(fm, "void crosscall2(void(*fn)(void*) __attribute__((unused)), void *a __attribute__((unused)), int c __attribute__((unused)), size_t ctxt __attribute__((unused))) { }\n")
 		fmt.Fprintf(fm, "size_t _cgo_wait_runtime_init_done(void) { return 0; }\n")