diff --git a/src/rdb.c b/src/rdb.c
index 3dd69f28..325e5a62 100644
--- a/src/rdb.c
+++ b/src/rdb.c
@@ -720,7 +720,7 @@ int rdbSave(char *filename) {
     char tmpfile[256];
     FILE *fp;
     rio rdb;
-    int error;
+    int error = 0;
 
     snprintf(tmpfile,256,"temp-%d.rdb", (int) getpid());
     fp = fopen(tmpfile,"w");
diff --git a/src/sentinel.c b/src/sentinel.c
index 33d970e5..c693a586 100644
--- a/src/sentinel.c
+++ b/src/sentinel.c
@@ -577,7 +577,7 @@ void sentinelEvent(int level, char *type, sentinelRedisInstance *ri,
     if (level == REDIS_WARNING && ri != NULL) {
         sentinelRedisInstance *master = (ri->flags & SRI_MASTER) ?
                                          ri : ri->master;
-        if (master->notification_script) {
+        if (master && master->notification_script) {
             sentinelScheduleScriptExecution(master->notification_script,
                 type,msg,NULL);
         }
diff --git a/src/t_zset.c b/src/t_zset.c
index d3c7214b..64418c9b 100644
--- a/src/t_zset.c
+++ b/src/t_zset.c
@@ -1382,7 +1382,7 @@ void zremrangeGenericCommand(redisClient *c, int rangetype) {
     robj *key = c->argv[1];
     robj *zobj;
     int keyremoved = 0;
-    unsigned long deleted;
+    unsigned long deleted = 0;
     zrangespec range;
     zlexrangespec lexrange;
     long start, end, llen;