diff --git a/xf86drmHash.c b/xf86drmHash.c
index 199a2a3f..f287e61f 100644
--- a/xf86drmHash.c
+++ b/xf86drmHash.c
@@ -99,7 +99,7 @@ static unsigned long HashHash(unsigned long key)
 
     hash %= HASH_SIZE;
 #if DEBUG
-    printf( "Hash(%d) = %d\n", key, hash);
+    printf( "Hash(%lu) = %lu\n", key, hash);
 #endif
     return hash;
 }
@@ -202,7 +202,7 @@ int drmHashInsert(void *t, unsigned long key, void *value)
     bucket->next         = table->buckets[hash];
     table->buckets[hash] = bucket;
 #if DEBUG
-    printf("Inserted %d at %d/%p\n", key, hash, bucket);
+    printf("Inserted %lu at %lu/%p\n", key, hash, bucket);
 #endif
     return 0;			/* Added to table */
 }