diff --git a/src/debug.c b/src/debug.c
index 9e084f9d..0529e5a8 100644
--- a/src/debug.c
+++ b/src/debug.c
@@ -393,13 +393,13 @@ void debugCommand(client *c) {
         val = dictGetVal(de);
         strenc = strEncoding(val->encoding);
 
-        char extra[128] = {0};
+        char extra[138] = {0};
         if (val->encoding == OBJ_ENCODING_QUICKLIST) {
             char *nextra = extra;
             int remaining = sizeof(extra);
             quicklist *ql = val->ptr;
             /* Add number of quicklist nodes */
-            int used = snprintf(nextra, remaining, " ql_nodes:%u", ql->len);
+            int used = snprintf(nextra, remaining, " ql_nodes:%lu", ql->len);
             nextra += used;
             remaining -= used;
             /* Add average quicklist fill factor */
diff --git a/src/quicklist.c b/src/quicklist.c
index c8b72743..faa08c65 100644
--- a/src/quicklist.c
+++ b/src/quicklist.c
@@ -149,7 +149,7 @@ REDIS_STATIC quicklistNode *quicklistCreateNode(void) {
 }
 
 /* Return cached quicklist count */
-unsigned int quicklistCount(const quicklist *ql) { return ql->count; }
+unsigned long quicklistCount(const quicklist *ql) { return ql->count; }
 
 /* Free entire quicklist. */
 void quicklistRelease(quicklist *quicklist) {
diff --git a/src/quicklist.h b/src/quicklist.h
index 8f387590..955a22cf 100644
--- a/src/quicklist.h
+++ b/src/quicklist.h
@@ -64,7 +64,7 @@ typedef struct quicklistLZF {
     char compressed[];
 } quicklistLZF;
 
-/* quicklist is a 32 byte struct (on 64-bit systems) describing a quicklist.
+/* quicklist is a 40 byte struct (on 64-bit systems) describing a quicklist.
  * 'count' is the number of total entries.
  * 'len' is the number of quicklist nodes.
  * 'compress' is: -1 if compression disabled, otherwise it's the number
@@ -74,7 +74,7 @@ typedef struct quicklist {
     quicklistNode *head;
     quicklistNode *tail;
     unsigned long count;        /* total count of all entries in all ziplists */
-    unsigned int len;           /* number of quicklistNodes */
+    unsigned long len;          /* number of quicklistNodes */
     int fill : 16;              /* fill factor for individual nodes */
     unsigned int compress : 16; /* depth of end nodes not to compress;0=off */
 } quicklist;
@@ -154,7 +154,7 @@ int quicklistPopCustom(quicklist *quicklist, int where, unsigned char **data,
                        void *(*saver)(unsigned char *data, unsigned int sz));
 int quicklistPop(quicklist *quicklist, int where, unsigned char **data,
                  unsigned int *sz, long long *slong);
-unsigned int quicklistCount(const quicklist *ql);
+unsigned long quicklistCount(const quicklist *ql);
 int quicklistCompare(unsigned char *p1, unsigned char *p2, int p2_len);
 size_t quicklistGetLzf(const quicklistNode *node, void **data);