diff --git a/configure.ac b/configure.ac

index 458648e..077fe50 100644

--- a/configure.ac

+++ b/configure.ac

@@ -3072,10 +3072,12 @@ if test "${opsys}" = "mingw32"; then

   AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl

   if test "${HAVE_JPEG}" = "yes"; then

     AC_DEFINE(HAVE_JPEG)

-    AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],

+    AC_EGREP_CPP([version 6b or later],

         [#include <jpeglib.h>

-	 version=JPEG_LIB_VERSION

-],

+         #if JPEG_LIB_VERSION >= 62

+         version 6b or later

+         #endif

+        ],

         [AC_DEFINE(HAVE_JPEG)],

         [AC_MSG_WARN([libjpeg found, but not version 6b or later])

         HAVE_JPEG=no])

@@ -3091,10 +3093,12 @@ elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then

   AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl

   if test "${HAVE_JPEG}" = "yes"; then

     AC_DEFINE(HAVE_JPEG)

-    AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],

-	[#include <jpeglib.h>

-	 version=JPEG_LIB_VERSION

-],

+    AC_EGREP_CPP([version 6b or later],

+        [#include <jpeglib.h>

+         #if JPEG_LIB_VERSION >= 62

+         version 6b or later

+         #endif

+        ],

 	[AC_DEFINE(HAVE_JPEG)],

 	[AC_MSG_WARN([libjpeg found, but not version 6b or later])

 	HAVE_JPEG=no])