diff --git a/CHANGES b/CHANGES
index 5dd83e1b..656e195d 100644
--- a/CHANGES
+++ b/CHANGES
@@ -6,6 +6,7 @@ What's New for OpenJPEG
 + : added
 
 January 25, 2012
+* [vincent] fix libopenjpip link on Windows
 * [vincent] follow latest JPIP changes in the autotools side (pthread dependency, conditional compilation of JPIP server and client)
 
 December 8, 2011
diff --git a/applications/jpip/libopenjpip/Makefile.am b/applications/jpip/libopenjpip/Makefile.am
index 293afc63..fce61eb5 100644
--- a/applications/jpip/libopenjpip/Makefile.am
+++ b/applications/jpip/libopenjpip/Makefile.am
@@ -84,8 +84,8 @@ libopenjpip_server_la_CPPFLAGS = \
 @FCGI_CFLAGS@ \
 @LIBCURL_CFLAGS@ \
 -DSERVER
-libopenjpip_server_la_CFLAGS = @PTHREAD_CFLAGS@
-libopenjpip_server_la_LIBADD = @FCGI_LIBS@ @LIBCURL_LIBS@ @PTHREAD_LIBS@ -lm
+libopenjpip_server_la_CFLAGS = @THREAD_CFLAGS@
+libopenjpip_server_la_LIBADD = @FCGI_LIBS@ @LIBCURL_LIBS@ @THREAD_LIBS@ -lm
 libopenjpip_server_la_LDFLAGS = -no-undefined -version-info @lt_version@
 libopenjpip_server_la_SOURCES = $(JPIP_SRC)
 
@@ -96,8 +96,8 @@ libopenjpip_local_la_CPPFLAGS = \
 -I$(top_srcdir)/applications/jpip/libopenjpip \
 -I$(top_builddir)/applications/jpip/libopenjpip \
 @LIBCURL_CFLAGS@
-libopenjpip_local_la_CFLAGS = @PTHREAD_CFLAGS@
-libopenjpip_local_la_LIBADD = @PTHREAD_LIBS@ $(top_builddir)/libopenjpeg/libopenjpeg.la -lm
+libopenjpip_local_la_CFLAGS = @THREAD_CFLAGS@
+libopenjpip_local_la_LIBADD = @THREAD_LIBS@ $(top_builddir)/libopenjpeg/libopenjpeg.la -lm
 libopenjpip_local_la_LDFLAGS = -no-undefined -version-info @lt_version@
 libopenjpip_local_la_SOURCES = $(JPIP_SRC) $(LOCAL_SRC)
 
diff --git a/configure.ac b/configure.ac
index e505bdc5..1d1a428e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -348,42 +348,49 @@ fi
 
 # pthread
 
-if test "x${want_jpip}" = "xyes" && test "x${have_win32}" = "xno" ; then
+if test "x${want_jpip}" = "xyes" ; then
 
-   SAVE_CFLAGS=${CFLAGS}
-   CFLAGS="${CFLAGS} -pthread"
-   SAVE_LIBS=${LIBS}
-   LIBS="${LIBS} -pthread"
-   AC_LINK_IFELSE(
-      [AC_LANG_PROGRAM([[
+   if test "x${have_win32}" = "xno" ; then
+
+      SAVE_CFLAGS=${CFLAGS}
+      CFLAGS="${CFLAGS} -pthread"
+      SAVE_LIBS=${LIBS}
+      LIBS="${LIBS} -pthread"
+      AC_LINK_IFELSE(
+         [AC_LANG_PROGRAM([[
 #include <pthread.h>
-                       ]],
-                       [[
+                          ]],
+                          [[
 pthread_t id;
 id = pthread_self();
-                       ]])],
-      [have_pthread="yes"],
-      [have_pthread="no"])
-   CFLAGS=${SAVE_CFLAGS}
-   LIBS=${SAVE_LIBS}
+                          ]])],
+         [have_pthread="yes"],
+         [have_pthread="no"])
+      CFLAGS=${SAVE_CFLAGS}
+      LIBS=${SAVE_LIBS}
 
-   AC_MSG_CHECKING([whether Pthread library is available])
-   AC_MSG_RESULT([${have_pthread}])
+      AC_MSG_CHECKING([whether Pthread library is available])
+      AC_MSG_RESULT([${have_pthread}])
+
+      if ! test "x${have_pthread}" = "xyes" ; then
+         AC_MSG_WARN([Pthread library not found. OpenJPIP library will not be compiled.])
+         want_jpip="no"
+      else
+         THREAD_CFLAGS="-pthread"
+         THREAD_LIBS="-pthread"
+      fi
 
-   if ! test "x${have_pthread}" = "xyes" ; then
-      AC_MSG_WARN([Pthread library not found. OpenJPIP library will not be compiled.])
-      want_jpip="no"
    else
-      PTHREAD_CFLAGS="-pthread"
-      AC_ARG_VAR([PTHREAD_CFLAGS], [compiler flag for Pthread])
-      AC_SUBST([PTHREAD_CFLAGS])
-      PTHREAD_LIBS="-pthread"
-      AC_ARG_VAR([PTHREAD_LIBS], [linker flags for Pthread])
-      AC_SUBST([PTHREAD_LIBS])
+      THREAD_LIBS="-lws2_32"
    fi
 
 fi
 
+AC_ARG_VAR([THREAD_CFLAGS], [compiler flag for the thread library])
+AC_SUBST([THREAD_CFLAGS])
+AC_ARG_VAR([THREAD_LIBS], [linker flags for thread library])
+AC_SUBST([THREAD_LIBS])
+
 # libfcgi
 
 if test "x${want_jpip_server}" = "xyes" ; then