diff --git a/scripts/install b/scripts/install
index ac40ce7..d7b43a5 100644
--- a/scripts/install
+++ b/scripts/install
@@ -87,7 +87,9 @@ ynh_script_progression --message="Setting up source files..."
 ynh_app_setting_set --app=$app --key=final_path --value=$final_path
 # Download, check integrity, uncompress and patch the source from app.src
 git clone $source $final_path
-git checkout $COMMIT
+pushd "$final_path"
+	git checkout $COMMIT
+popd
 
 #=================================================
 # NGINX CONFIGURATION
diff --git a/scripts/upgrade b/scripts/upgrade
index 48a2a75..68df4da 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -88,8 +88,10 @@ then
 	ynh_script_progression --message="Upgrading source files..."
 
 	# Download, check integrity, uncompress and patch the source from app.src
-	git pull
-	git checkout $COMMIT
+	pushd "$final_path"
+		git pull
+		git checkout $COMMIT
+	popd
 fi
 
 #=================================================