diff --git a/src/jenkins_hash.c b/src/jenkins_hash.c
index 13c50d6..e86e113 100644
--- a/src/jenkins_hash.c
+++ b/src/jenkins_hash.c
@@ -89,7 +89,10 @@ jenkins_state_t *jenkins_state_new(cmph_uint32 size) //size of hash table
 	jenkins_state_t *state = (jenkins_state_t *)malloc(sizeof(jenkins_state_t));
         if (!state) return NULL;
 	DEBUGP("Initializing jenkins hash\n");
-	state->seed = ((cmph_uint32)rand() % size);
+  if(size > 0)
+  	state->seed = ((cmph_uint32)rand() % size);
+  else
+    state->seed = 0;
 	return state;
 }
 void jenkins_state_destroy(jenkins_state_t *state)