diff --git a/harbour/ChangeLog b/harbour/ChangeLog
index d2b7864d2c..7f0988a1cd 100644
--- a/harbour/ChangeLog
+++ b/harbour/ChangeLog
@@ -1,3 +1,9 @@
+Thu Oct 14 17:29:32 1999  Gonzalo A. Diethelm  <Gonzalo.Diethelm@jda.cl>
+
+	* source/rtl/dates.c: 
+	Fixed an include guard so that HB_DONT_DEFINE_BASIC_TYPES is
+	defined for both gcc and mingw32.
+
 19991014-18:17 GMT+1 Victor Szel <info@szelvesz.hu>
    * source/compiler/genc.c
      ! Fixed pcode generation with /gc0 switch for MODULENAME opcode.
diff --git a/harbour/source/rtl/dates.c b/harbour/source/rtl/dates.c
index 487f19c2c9..51209ae6fd 100644
--- a/harbour/source/rtl/dates.c
+++ b/harbour/source/rtl/dates.c
@@ -68,7 +68,7 @@
 #if defined(_Windows) || defined(WINNT)
    #define WIN32_LEAN_AND_MEAN
    #include <windows.h>
-   #if defined(__MINGW32__)
+   #if defined(__GNUC__) || defined(__MINGW32__)
       #define HB_DONT_DEFINE_BASIC_TYPES
    #endif
 #endif