diff --git a/ChangeLog b/ChangeLog
index 68d053e4..852ef535 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2005-02-21  Stefan Jahn  <stefan@lkcc.org>
+
+	* configure.ac: LDFLAGS additions for FreeBSD users.
+
 2005-02-18  Raimund 'Raimi' Jacob  <raimi@lkcc.org>
 
 	* configure.ac: Add another paths to look for Qt header/library in.
diff --git a/README b/README
index ddb23e55..11bd6336 100644
--- a/README
+++ b/README
@@ -1,7 +1,7 @@
 --
 -- README
 -- 
--- Copyright (C) 2003 Stefan Jahn <stefan@lkcc.org>
+-- Copyright (C) 2003, 2005 Stefan Jahn <stefan@lkcc.org>
 -- 
 -- This is free software; you can redistribute it and/or modify
 -- it under the terms of the GNU General Public License as published by
@@ -49,7 +49,7 @@ Unpack the distribution tarball:
 Change into the source directory:
 
     $ cd qucs-<version>
-  
+
 Configure the source package for your system:
 
     $ ./configure
@@ -57,7 +57,7 @@ Configure the source package for your system:
 Now compile the package:
 
     $ make
-  
+
 Install Qucs:
 
     $ make install
@@ -69,6 +69,8 @@ by root.
 For further information on installing the package, please consult the
 file INSTALL included in this distribution.
 
+Please note:  Users of the FreeBSD OS may use a GNU make (probably gmake)
+to compile and install the package.
 
 Getting the latest CVS snapshot
 ===============================
diff --git a/configure.ac b/configure.ac
index 0c35e19c..f0b3583f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -127,6 +127,10 @@ AC_ARG_ENABLE([mt],
    fi])
 if test "$enable_mt" = yes; then
   QT_LIB="-lqt-mt"
+  case $host_os in
+    *freebsd4* ) QT_LIB="$QT_LIB -pthread" ;;
+    *freebsd5* ) QT_LIB="$QT_LIB -lpthread" ;;
+  esac
   QT_INC="$QT_DEF -DQT_THREAD_SUPPORT -D_REENTRANT"
   QT_MTS="multi-threaded"
 else