diff --git a/cmd/templates/hook.tmpl b/cmd/templates/hook.tmpl
index 4648b028..ffc0738c 100644
--- a/cmd/templates/hook.tmpl
+++ b/cmd/templates/hook.tmpl
@@ -8,7 +8,7 @@ if [ -t 1 ] ; then
   exec < /dev/tty ; # <- enables interactive shell
 fi
 
-dir="$(cd "$(dirname "$(dirname "$(dirname "$0")")")" >/dev/null 2>&1 || exit ; pwd -P)"
+dir="$(git rev-parse --show-toplevel)"
 
 call_lefthook()
 {
diff --git a/spec/fixtures/pre-commit b/spec/fixtures/pre-commit
index 3d435141..53e4d47c 100644
--- a/spec/fixtures/pre-commit
+++ b/spec/fixtures/pre-commit
@@ -8,7 +8,7 @@ if [ -t 1 ] ; then
   exec < /dev/tty ; # <- enables interactive shell
 fi
 
-dir="$(cd "$(dirname "$(dirname "$(dirname "$0")")")" >/dev/null 2>&1 || exit ; pwd -P)"
+dir="$(git rev-parse --show-toplevel)"
 
 call_lefthook()
 {
diff --git a/spec/fixtures/pre-push b/spec/fixtures/pre-push
index 34d0b46b..2dcb5124 100644
--- a/spec/fixtures/pre-push
+++ b/spec/fixtures/pre-push
@@ -8,7 +8,7 @@ if [ -t 1 ] ; then
   exec < /dev/tty ; # <- enables interactive shell
 fi
 
-dir="$(cd "$(dirname "$(dirname "$(dirname "$0")")")" >/dev/null 2>&1 || exit ; pwd -P)"
+dir="$(git rev-parse --show-toplevel)"
 
 call_lefthook()
 {