diff --git a/scripts/install b/scripts/install
index a16a5e3..e5d7de4 100755
--- a/scripts/install
+++ b/scripts/install
@@ -17,7 +17,7 @@ source /usr/share/yunohost/helpers
 ynh_script_progression --message="Setting up source files..." --weight=1
 
 repo_fullpath=$(ynh_read_manifest --manifest_key="upstream.code")
-commit_sha=$(ynh_read_manifest --manifest_key="resources.sources.main.url" | xargs basename | tr -d"." -f1)
+commit_sha=$(ynh_read_manifest --manifest_key="resources.sources.main.url" | xargs basename --suffix=".tar.gz")
 ynh_exec_fully_quiet git clone -n "$repo_fullpath" "$install_dir/searxng-src"
 pushd "$install_dir/searxng-src"
 	ynh_exec_fully_quiet git checkout "$commit_sha"
diff --git a/scripts/upgrade b/scripts/upgrade
index 96c7be0..09340a8 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -50,7 +50,7 @@ then
 	
 	ynh_secure_remove --file="$install_dir/searxng-src"
 	repo_fullpath=$(ynh_read_manifest --manifest_key="upstream.code")
-	commit_sha=$(ynh_read_manifest --manifest_key="resources.sources.main.url" | xargs basename | tr -d"." -f1)
+	commit_sha=$(ynh_read_manifest --manifest_key="resources.sources.main.url" | xargs basename --suffix=".tar.gz")
 	ynh_exec_fully_quiet git clone -n "$repo_fullpath" "$install_dir/searxng-src"
 	pushd "$install_dir/searxng-src"
 		ynh_exec_fully_quiet git checkout "$commit_sha"