diff --git a/bin/fix-permissions.sh b/bin/fix-permissions.sh
index a675e38..f57694f 100755
--- a/bin/fix-permissions.sh
+++ b/bin/fix-permissions.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-project_dir="$(dirname $( dirname $(readlink -f ${BASH_SOURCE[0]})))"
+project_dir="$(git rev-parse --show-toplevel)"
 
 USERNAME=$USER
 sudo chown -R ${USERNAME}:${USERNAME} ${project_dir}/.
diff --git a/bin/rails-dev-db-create.sh b/bin/rails-dev-db-create.sh
index aa63596..90d019e 100755
--- a/bin/rails-dev-db-create.sh
+++ b/bin/rails-dev-db-create.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-project_dir="$(dirname $( dirname $(readlink -f ${BASH_SOURCE[0]})))"
+project_dir="$(git rev-parse --show-toplevel)"
 
 cd ${project_dir}
 rake db:setup
diff --git a/bin/rails-dev-run.sh b/bin/rails-dev-run.sh
index 52feef9..cada0b5 100755
--- a/bin/rails-dev-run.sh
+++ b/bin/rails-dev-run.sh
@@ -1,5 +1,5 @@
 #!/bin/bash -e
-project_dir="$(dirname $( dirname $(readlink -f ${BASH_SOURCE[0]})))"
+project_dir="$(git rev-parse --show-toplevel)"
 
 if [ $# != 1 ]; then
   echo "Please enter docker image name for the rails development environment"
diff --git a/bin/run-all-tests.sh b/bin/run-all-tests.sh
index 961a6e7..d68f1ed 100755
--- a/bin/run-all-tests.sh
+++ b/bin/run-all-tests.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-project_dir="$(dirname $( dirname $(readlink -f ${BASH_SOURCE[0]})))"
+project_dir="$(git rev-parse --show-toplevel)"
 
 cd ${project_dir}
 rake db:migrate RAILS_ENV=test
diff --git a/bin/tmux.sh b/bin/tmux.sh
index c928539..84faed5 100755
--- a/bin/tmux.sh
+++ b/bin/tmux.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-project_dir="$(dirname $( dirname $(readlink -f ${BASH_SOURCE[0]})))"
+project_dir="$(git rev-parse --show-toplevel)"
 
 cd ${project_dir}
 CURRENT_SESSION=wrestlingdev