diff --git a/src/common/cmndata.cpp b/src/common/cmndata.cpp
index b3d61564b8..c6208b0e8c 100644
--- a/src/common/cmndata.cpp
+++ b/src/common/cmndata.cpp
@@ -51,7 +51,7 @@
     #include <windowsx.h>
     #include "wx/msw/private.h"
 
-    #ifndef __SMARTPHONE__
+    #ifndef __SMARTPHONE__ /* of WinCE */
         #include <commdlg.h>
     #endif
 
diff --git a/src/common/log.cpp b/src/common/log.cpp
index 8323595bde..6d6bfde0bd 100644
--- a/src/common/log.cpp
+++ b/src/common/log.cpp
@@ -749,7 +749,7 @@ const wxChar *wxSysErrorMsg(unsigned long nErrCode)
 
     // copy it to our buffer and free memory
     // Crashes on SmartPhone
-#if !defined(__SMARTPHONE__)
+#if !defined(__SMARTPHONE__) /* of WinCE */
      if( lpMsgBuf != 0 ) {
         wxStrncpy(s_szBuf, (const wxChar *)lpMsgBuf, WXSIZEOF(s_szBuf) - 1);
         s_szBuf[WXSIZEOF(s_szBuf) - 1] = wxT('\0');