diff --git a/netwerk/base/src/nsStdURL.cpp b/netwerk/base/src/nsStdURL.cpp
index 29e37b53e8f6..a29bc5291fa8 100644
--- a/netwerk/base/src/nsStdURL.cpp
+++ b/netwerk/base/src/nsStdURL.cpp
@@ -39,8 +39,11 @@
 #include "nsEscape.h"
 #include "nsNetCID.h"
 
-#if defined(XP_PC) && !defined(XP_OS2)
+#if defined(XP_WIN)
 #include <windows.h>
+#endif
+
+#if defined(XP_WIN) || defined(XP_OS2)
 #include <direct.h>
 #endif
 
@@ -1018,7 +1021,7 @@ nsStdURL::GetFile(nsIFile * *aFile)
 
     rv = AppendFileName(path,mFileBaseName,mFileExtension,ESCAPED);
 
-#ifdef XP_PC
+#if defined(XP_WIN) || defined(XP_OS2)
     if (path.CharAt(2) == '|')
         path.SetCharAt(':', 2);
 
@@ -1035,7 +1038,7 @@ nsStdURL::GetFile(nsIFile * *aFile)
              path.Insert(host, 0);
          }
     }
-    
+
     if ((path.CharAt(0) == '/' && path.CharAt(1) == '/')) {
         // unc path
 #ifdef DEBUG_dougt