@@ -779,23 +779,23 @@
 	}
 
 static OF_INLINE bool
 of_bitset_isset(unsigned char *_Nonnull storage, size_t idx)
 {
-	return storage[idx / 8] & (1 << (idx % 8));
+	return storage[idx / 8] & (1u << (idx % 8));
 }
 
 static OF_INLINE void
 of_bitset_set(unsigned char *_Nonnull storage, size_t idx)
 {
-	storage[idx / 8] |= (1 << (idx % 8));
+	storage[idx / 8] |= (1u << (idx % 8));
 }
 
 static OF_INLINE void
 of_bitset_clear(unsigned char *_Nonnull storage, size_t idx)
 {
-	storage[idx / 8] &= ~(1 << (idx % 8));
+	storage[idx / 8] &= ~(1u << (idx % 8));
 }
 
 static OF_INLINE char *_Nullable
 of_strdup(const char *_Nonnull string)
 {