diff --git a/find-requires.pkgconfig b/find-requires.pkgconfig
index ff4f8bd..cf5dc70 100755
--- a/find-requires.pkgconfig
+++ b/find-requires.pkgconfig
@@ -4,7 +4,7 @@ test -x $pkgconfig || exit 0
 while read filename ; do
 case "${filename}" in
 *.pc)
-	$pkgconfig --print-requires "$filename" 2> /dev/null | while read n r v ; do
+	$pkgconfig --print-requires --print-requires-private "$filename" 2> /dev/null | while read n r v ; do
 		echo "pkgconfig($n)" "$r" "$v"
 	done
 esac