diff --git a/macros.in b/macros.in
index 830072a..bdce7f4 100644
--- a/macros.in
+++ b/macros.in
@@ -805,6 +805,8 @@ print (t)\
export RPM_BUILD_ROOT}\
%{?_javaclasspath:CLASSPATH=\"%{_javaclasspath}\"\
export CLASSPATH}\
+ PKG_CONFIG_PATH=\"%{_libdir}/pkgconfig:%{_datadir}/pkgconfig\"\
+ export PKG_CONFIG_PATH\
\
%{verbose:set -x}%{!verbose:exec > /dev/null}\
umask 022\