@@ -1464,11 +1464,11 @@
 
 - (OFString*)uppercaseString
 {
 	OFMutableString *new = [[self mutableCopy] autorelease];
 
-	[new upper];
+	[new uppercase];
 
 	[new makeImmutable];
 
 	return new;
 }
@@ -1475,11 +1475,11 @@
 
 - (OFString*)lowercaseString
 {
 	OFMutableString *new = [[self mutableCopy] autorelease];
 
-	[new lower];
+	[new lowercase];
 
 	[new makeImmutable];
 
 	return new;
 }