Index: utils/objfw-new/Property.m
==================================================================
--- utils/objfw-new/Property.m
+++ utils/objfw-new/Property.m
@@ -51,11 +51,12 @@
 
 - (void)parseString: (OFString *)string
 {
 	void *pool = objc_autoreleasePoolPush();
 	const char *UTF8String = string.UTF8String;
-	size_t length = string.UTF8StringLength, nameIdx = -1;
+	size_t length = string.UTF8StringLength;
+	ssize_t nameIdx = -1;
 	OFMutableArray *attributes = nil;
 
 	if (length > SSIZE_MAX)
 		@throw [OFOutOfRangeException exception];