diff --git a/src/cmd/cgo/out.go b/src/cmd/cgo/out.go
index 8e83f02202..d0a7369c94 100644
--- a/src/cmd/cgo/out.go
+++ b/src/cmd/cgo/out.go
@@ -1746,12 +1746,12 @@ Slice _cgoPREFIX_Cfunc_GoBytes(char *p, int32_t n) {
 
 extern void runtime_throw(const char *);
 void *_cgoPREFIX_Cfunc__CMalloc(size_t n) {
-        void *p = malloc(n);
-        if(p == NULL && n == 0)
-                p = malloc(1);
-        if(p == NULL)
-                runtime_throw("runtime: C malloc failed");
-        return p;
+	void *p = malloc(n);
+	if(p == NULL && n == 0)
+		p = malloc(1);
+	if(p == NULL)
+		runtime_throw("runtime: C malloc failed");
+	return p;
 }
 
 struct __go_type_descriptor;