diff --git a/harbour/ChangeLog b/harbour/ChangeLog
index 77461bb63c..4c9f4791cf 100644
--- a/harbour/ChangeLog
+++ b/harbour/ChangeLog
@@ -17,6 +17,11 @@
    past entries belonging to author(s): Viktor Szakats.
 */
 
+2010-05-27 21:14 UTC+0200 Viktor Szakats (harbour.01 syenar.hu)
+  * INSTALL
+    + Added requirement to not add the same compiler path multiple
+      times to PATH.
+
 2010-05-27 20:23 UTC+0200 Viktor Szakats (harbour.01 syenar.hu)
   * contrib/hbmisc/calldll.prg
     + HB_DYNCALL1() will now cut the number of parameters
diff --git a/harbour/INSTALL b/harbour/INSTALL
index bf94947729..6f709c1b84 100644
--- a/harbour/INSTALL
+++ b/harbour/INSTALL
@@ -36,8 +36,9 @@ HARBOUR
           (in PATH). Refer to your C compiler installation and setup
           instructions for details. It's recommended to make sure no tools
           in your PATH belonging to other C compilers are interfering with
-          your setup. For the list of supported compilers, please look up
-          the relevant section in this document.
+          your setup. Also make sure not to have duplicate entries for
+          your C compiler in PATH. For the list of supported compilers,
+          please look up the relevant section in this document.
       3.) You need to get GNU Make. We recommend this link:
              http://sourceforge.net/projects/mingw/files/MinGW%20make/make-3.81-20090914-mingw32/make-3.81-20090914-mingw32-bin.tar.gz/download
           Unpack it to your PATH or Harbour source root directory.