diff --git a/Source/fontconfig/FCFontEnumerator.m b/Source/fontconfig/FCFontEnumerator.m
index 109d8a8..7040e17 100644
--- a/Source/fontconfig/FCFontEnumerator.m
+++ b/Source/fontconfig/FCFontEnumerator.m
@@ -415,9 +415,9 @@ static NSArray *faFromFc(FcPattern *pat)
 
 - (NSString *) defaultSystemFontName
 {
-  if ([allFontNames containsObject: @"DejaVuSans"])
+  if ([allFontNames containsObject: @"Sans"])
     {
-      return @"DejaVuSans";
+      return @"Sans";
     }
   if ([allFontNames containsObject: @"BitstreamVeraSans-Roman"])
     {
@@ -440,9 +440,9 @@ static NSArray *faFromFc(FcPattern *pat)
 
 - (NSString *) defaultBoldSystemFontName
 {
-  if ([allFontNames containsObject: @"DejaVuSans-Bold"])
+  if ([allFontNames containsObject: @"Sans:style=Bold"])
     {
-      return @"DejaVuSans-Bold";
+      return @"Sans:style=Bold";
     }
   if ([allFontNames containsObject: @"BitstreamVeraSans-Bold"])
     {
@@ -465,9 +465,9 @@ static NSArray *faFromFc(FcPattern *pat)
 
 - (NSString *) defaultFixedPitchFontName
 {
-  if ([allFontNames containsObject: @"DejaVuSansMono"])
+  if ([allFontNames containsObject: @"Mono"])
     {
-      return @"DejaVuSansMono";
+      return @"Mono";
     }
   if ([allFontNames containsObject: @"BitstreamVeraSansMono-Roman"])
     {