diff --git a/bin/find-parent-repo b/bin/find-parent-repo
index b35c463..5c9c3f8 100755
--- a/bin/find-parent-repo
+++ b/bin/find-parent-repo
@@ -1,15 +1,2 @@
 #!/bin/sh
-TESTDIR=$(realpath .)
-FOUND=0
-while [ "$TESTDIR" != "/" ]
-do
-    if [ -d $TESTDIR/.git ] ; then
-        FOUND=1
-        break
-    fi
-    TESTDIR="$TESTDIR/.."
-    TESTDIR=$(realpath $TESTDIR)
-done
-if [ $FOUND == 1 ] ; then
-    echo $TESTDIR
-fi
+git rev-parse --show-toplevel