diff --git a/uppsrc/plugin/pcre/lib.cpp b/uppsrc/plugin/pcre/lib.c
similarity index 81%
rename from uppsrc/plugin/pcre/lib.cpp
rename to uppsrc/plugin/pcre/lib.c
index 0ecaa6127..8e57d9390 100644
--- a/uppsrc/plugin/pcre/lib.cpp
+++ b/uppsrc/plugin/pcre/lib.c
@@ -1,7 +1,3 @@
-#include <Core/Core.h>
-
-using namespace Upp;
-
 #define SUPPORT_UTF
 #define SUPPORT_UTF8	//is needed anymore?
 #define SUPPORT_UCP
@@ -11,13 +7,23 @@ using namespace Upp;
 ////#define HAVE_INTTYPES_H 0
 //#undef HAVE_STDINT_H
 //#undef HAVE_INTTYPES_H
-#define int64_t int64
 
+#ifdef _MSC_VER
+
+typedef __int64            int64;
+typedef unsigned __int64   uint64;
+
+#else
+
+typedef long long int      int64;
+typedef long long unsigned uint64;
 
-#ifdef COMPILER_GCC
 #define PCRE_STATIC
+
 #endif
 
+#define int64_t int64
+
 #include "lib/pcre_byte_order.c"
 #include "lib/pcre_chartables.c"
 #include "lib/pcre_compile.c"
diff --git a/uppsrc/plugin/pcre/pcre.upp b/uppsrc/plugin/pcre/pcre.upp
index 1c218dce0..9806614fa 100644
--- a/uppsrc/plugin/pcre/pcre.upp
+++ b/uppsrc/plugin/pcre/pcre.upp
@@ -12,6 +12,6 @@ file
 	RegExp.h,
 	RegExp.cpp,
 	lib/config.h,
-	lib.cpp,
+	lib.c,
 	Copying;