diff --git a/Source/NSFontManager.m b/Source/NSFontManager.m
index 75154d19b..c7d700fcd 100644
--- a/Source/NSFontManager.m
+++ b/Source/NSFontManager.m
@@ -376,7 +376,7 @@ static Class         fontPanelClass = Nil;
 - (NSFont*) convertFont: (NSFont*)fontObject
 {
   NSFont *newFont = fontObject;
-  unsigned int i;
+  int i;
   float size;
   float sizes[] = {4.0, 6.0, 8.0, 9.0, 10.0, 11.0, 12.0, 13.0, 
                    14.0, 16.0, 18.0, 24.0, 36.0, 48.0, 64.0};
@@ -1083,7 +1083,7 @@ static Class         fontPanelClass = Nil;
 - (NSDictionary *) convertAttributes: (NSDictionary *)attributes
 {
   NSMutableDictionary *newAttributes;
-  unsigned int i;
+  int i;
   float size;
   float sizes[] = {4.0, 6.0, 8.0, 9.0, 10.0, 11.0, 12.0, 13.0, 
                    14.0, 16.0, 18.0, 24.0, 36.0, 48.0, 64.0};