diff -ru cairo-1.12.14/src/cairo-type1-subset.c cairo-1.12.14-msg/src/cairo-type1-subset.c
--- cairo-1.12.14/src/cairo-type1-subset.c	2013-02-07 15:37:46.000000000 -0600
+++ cairo-1.12.14-msg/src/cairo-type1-subset.c	2013-07-25 11:25:25.940425994 -0500
@@ -1130,6 +1130,7 @@
     int length;
     int subset_id;
     int ch;
+    char *waname;
 
     if (font->glyphs[glyph_number].subset_index < 0)
 	return CAIRO_STATUS_SUCCESS;
@@ -1143,8 +1144,11 @@
 	subset_id = font->glyphs[glyph_number].subset_index;
 	if (subset_id > 0) {
 	    ch = font->scaled_font_subset->to_latin_char[subset_id];
-	    name = _cairo_winansi_to_glyphname (ch);
-	    name_length = strlen(name);
+	    waname = _cairo_winansi_to_glyphname (ch);
+	    if(waname) {
+		name = waname;
+		name_length = strlen(name);
+	    }
 	}
     }