--- qjsc.c
+++ qjsc.c
@@ -452,6 +452,9 @@ static int output_executable(const char *out_filename, const char *cfilename,
     *arg++ = "-lm";
     *arg++ = "-ldl";
     *arg++ = "-lpthread";
+#ifdef LINK_ATOMIC
+    *arg++ = "-latomic";
+#endif
     *arg = NULL;
     
     if (verbose) {