diff --git a/src/Makefile b/src/Makefile
index 24e96059..70574630 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -254,7 +254,7 @@ lcov:
 	@genhtml --legend -o lcov-html redis.info
 
 test-sds: sds.c sds.h
-	$(REDIS_CC) sds.c zmalloc.c -DSDS_TEST_MAIN -o /tmp/sds_test
+	$(REDIS_CC) sds.c zmalloc.c -DSDS_TEST_MAIN $(FINAL_LIBS) -o /tmp/sds_test
 	/tmp/sds_test
 
 .PHONY: lcov
diff --git a/src/networking.c b/src/networking.c
index 27006514..98e77964 100644
--- a/src/networking.c
+++ b/src/networking.c
@@ -561,8 +561,7 @@ void addReplyBulkCBuffer(client *c, const void *p, size_t len) {
 
 /* Add sds to reply (takes ownership of sds and frees it) */
 void addReplyBulkSds(client *c, sds s)  {
-    addReplySds(c,sdscatfmt(sdsempty(),"$%u\r\n",
-        (unsigned long)sdslen(s)));
+    addReplyLongLongWithPrefix(c,sdslen(s),'$');
     addReplySds(c,s);
     addReply(c,shared.crlf);
 }