diff --git a/compiler/ccgtypes.nim b/compiler/ccgtypes.nim
index 7c11d3e9af..79bf11bd2f 100644
--- a/compiler/ccgtypes.nim
+++ b/compiler/ccgtypes.nim
@@ -13,8 +13,7 @@
 
 proc mangleField(name: string): string =
   result = mangle(name)
-  if name[0] in 'a'..'z':
-    result[0] = name[0].toUpper
+  result[0] = result[0].toUpper
 
 proc isKeyword(w: PIdent): bool =
   # nimrod and C++ share some keywords