diff --git a/src/cmd/gc/subr.c b/src/cmd/gc/subr.c
index 24e894d897..c689386588 100644
--- a/src/cmd/gc/subr.c
+++ b/src/cmd/gc/subr.c
@@ -1360,6 +1360,10 @@ loop:
 		*p++ = '\\';
 		*p++ = 'n';
 		break;
+	case '\"':
+		*p++ = '\\';
+		*p++ = c;
+		break;
 	}
 	goto loop;