diff --git a/configure.ac b/configure.ac
index 082783a..b94ce25 100644
--- a/configure.ac
+++ b/configure.ac
@@ -97,9 +97,11 @@ AC_ARG_ENABLE([bz2],
 
 if test "$enable_bz2" != no; then
   bz2_devel=ok
-  AC_CHECK_LIB([bz2], [BZ2_bzBuffToBuffCompress], [
-	LIBS="-lbz2 $LIBS"
-	AC_DEFINE([HAVE_LIBBZ2],1,[Define to 1 if you have the libbz2 library.])], [bz2_devel=missing])
+  PKG_CHECK_MODULES([BZ2_PKG], [bzip2], [
+      AC_DEFINE([HAVE_LIBBZ2],1,[Define to 1 if you have the libbz2 library.])
+      LIBS="$LIBS $BZ2_PKG_LIBS"
+      CFLAGS="$CFLAGS $BZ2_PKG_CFLAGS"
+    ], [bz2_devel=missing])
   if test "$bz2_devel" != "ok"; then
     AC_MSG_ERROR([libbzip2 development files not found.