diff --git a/src/debug.c b/src/debug.c
index fb13f798..96d36f2e 100644
--- a/src/debug.c
+++ b/src/debug.c
@@ -166,6 +166,7 @@ void computeDatasetDigest(unsigned char *final) {
                 sds sdsele;
                 while((sdsele = setTypeNextObject(si)) != NULL) {
                     xorDigest(digest,sdsele,sdslen(sdsele));
+                    sdsfree(sdsele);
                 }
                 setTypeReleaseIterator(si);
             } else if (o->type == OBJ_ZSET) {