diff --git a/pkgs/applications/networking/cluster/k3s/update.sh b/pkgs/applications/networking/cluster/k3s/update.sh
index db895af71c6..c0afe1041f7 100755
--- a/pkgs/applications/networking/cluster/k3s/update.sh
+++ b/pkgs/applications/networking/cluster/k3s/update.sh
@@ -44,8 +44,9 @@ CNIPLUGINS_VERSION=$(grep VERSION_CNIPLUGINS= $FILE_SCRIPTS_VERSION \
 CNIPLUGINS_SHA256=$(nix-prefetch-url --quiet --unpack \
     "https://github.com/rancher/plugins/archive/refs/tags/v${CNIPLUGINS_VERSION}.tar.gz")
 
+
 setKV () {
-  sed -i "s/$1 = \".*\"/$1 = \"$2\"/" ./default.nix
+    sed -i "s|$1 = \".*\"|$1 = \"$2\"|" ./default.nix
 }
 
 setKV k3sVersion ${K3S_VERSION}