diff --git a/reactos/base/shell/explorer/utility/utility.cpp b/reactos/base/shell/explorer/utility/utility.cpp
index ac2cb16cb7f..d20c73b6337 100644
--- a/reactos/base/shell/explorer/utility/utility.cpp
+++ b/reactos/base/shell/explorer/utility/utility.cpp
@@ -158,7 +158,7 @@ String Context::getStackTrace() const
 
 BOOL time_to_filetime(const time_t* t, FILETIME* ftime)
 {
-#ifdef __STDC_WANT_SECURE_LIB__
+#if defined(__STDC_WANT_SECURE_LIB__) && defined(_MS_VER)
 	SYSTEMTIME stime;
 	struct tm tm_;
 	struct tm* tm = &tm_;
diff --git a/reactos/base/shell/explorer/utility/utility.h b/reactos/base/shell/explorer/utility/utility.h
index 34984ccc667..35bfff4a63b 100644
--- a/reactos/base/shell/explorer/utility/utility.h
+++ b/reactos/base/shell/explorer/utility/utility.h
@@ -183,7 +183,7 @@ BOOL exists_path(LPCTSTR path);
 
 
  // secure CRT functions
-#ifdef __STDC_WANT_SECURE_LIB__	// for VS 2005: _MSC_VER>=1400
+#if defined(__STDC_WANT_SECURE_LIB__) && defined(_MS_VER)	// for VS 2005: _MSC_VER>=1400
 
 #define _stprintf_s1 _stprintf_s
 #define _stprintf_s2 _stprintf_s
diff --git a/reactos/base/shell/explorer/utility/xmlstorage.h b/reactos/base/shell/explorer/utility/xmlstorage.h
index a1964d9acca..3b5910b2b75 100644
--- a/reactos/base/shell/explorer/utility/xmlstorage.h
+++ b/reactos/base/shell/explorer/utility/xmlstorage.h
@@ -512,7 +512,7 @@ struct FileHolder
 {
 	FileHolder(LPCTSTR path, LPCTSTR mode)
 	{
-#ifdef __STDC_WANT_SECURE_LIB__	// secure CRT functions using VS 2005
+#if defined(__STDC_WANT_SECURE_LIB__) && defined(_MS_VER) // secure CRT functions using VS 2005
 		if (_tfopen_s(&_pfile, path, mode) != 0)
 			_pfile = NULL;
 #else