1 files changed, 5 insertions, 5 deletions
diff --git a/Hashtable.h b/Hashtable.h
index 7c1a6789..21dfdcc6 100644
--- a/Hashtable.h
+++ b/Hashtable.h
@@ -21,7 +21,7 @@ typedef struct Hashtable_ Hashtable;
 typedef void(*Hashtable_PairFunction)(int, void*, void*);
 
 typedef struct HashtableItem {
-   int key;
+   unsigned int key;
    void* value;
    struct HashtableItem* next;
 } HashtableItem;
@@ -41,7 +41,7 @@ int Hashtable_count(Hashtable* this);
 
 #endif
 
-HashtableItem* HashtableItem_new(int key, void* value);
+HashtableItem* HashtableItem_new(unsigned int key, void* value);
 
 Hashtable* Hashtable_new(int size, bool owner);
 
@@ -49,11 +49,11 @@ void Hashtable_delete(Hashtable* this);
 
 inline int Hashtable_size(Hashtable* this);
 
-void Hashtable_put(Hashtable* this, int key, void* value);
+void Hashtable_put(Hashtable* this, unsigned int key, void* value);
 
-void* Hashtable_remove(Hashtable* this, int key);
+void* Hashtable_remove(Hashtable* this, unsigned int key);
 
-inline void* Hashtable_get(Hashtable* this, int key);
+inline void* Hashtable_get(Hashtable* this, unsigned int key);
 
 void Hashtable_foreach(Hashtable* this, Hashtable_PairFunction f, void* userData);