diff --git a/doc/scripts/pkgconfig.sh b/doc/scripts/pkgconfig.sh
index 5482795..bc2bebc 100755
--- a/doc/scripts/pkgconfig.sh
+++ b/doc/scripts/pkgconfig.sh
@@ -129,9 +129,12 @@ while [ $# -gt 0 ]; do
 	if [ "$PREFIX" != "/usr" ]; then
 		RPATH="-Wl,-rpath-link,\${libdir} -Wl,-rpath,\${libdir}"
 		case $(uname -s) in
-			Darwin|SunOS)
+			Darwin)
 				RPATH="-Wl,-rpath,\${libdir}"
 				;;
+			SunOS)
+				RPATH="-Wl,-R\${libdir}"
+				;;
 		esac
 	fi