diff --git a/src/redis.c b/src/redis.c
index 0c0106d7..899bed2e 100644
--- a/src/redis.c
+++ b/src/redis.c
@@ -274,7 +274,7 @@ struct redisCommand redisCommandTable[] = {
     {"pfadd",pfaddCommand,-2,"wm",0,NULL,1,1,1,0,0},
     {"pfcount",pfcountCommand,2,"w",0,NULL,1,1,1,0,0},
     {"pfmerge",pfmergeCommand,-2,"wm",0,NULL,1,-1,1,0,0},
-    {"pfdebug",pfdebugCommand,-3,"r",0,NULL,0,0,0,0,0}
+    {"pfdebug",pfdebugCommand,-3,"w",0,NULL,0,0,0,0,0}
 };
 
 struct evictionPoolEntry *evictionPoolAlloc(void);