diff --git a/xfce/Dockerfile b/xfce/Dockerfile
index e0a09ee..41e1d6c 100644
--- a/xfce/Dockerfile
+++ b/xfce/Dockerfile
@@ -11,15 +11,11 @@ WORKDIR /tmp
 
 RUN dnf install -y wget
 RUN \
-    if [ "${TARGETARCH}" == "amd64" ]; then \
-        wget -O /tmp/openlens.rpm https://github.com/MuhammedKalkan/OpenLens/releases/download/v6.5.2-366/OpenLens-6.5.2-366.x86_64.rpm; \
-    elif [ "${TARGETARCH}" == "arm64" ]; then \
-        wget -O /tmp/openlens.rpm https://github.com/MuhammedKalkan/OpenLens/releases/download/v6.5.2-366/OpenLens-6.5.2-366.aarch64.rpm; \
-    else \
-        echo "Unsupported architecture: ${TARGETARCH}"; \
-        exit 1; \
-    fi
-
+      case ${TARGETARCH} in \
+            "amd64")  DOWNLOAD_ARCH=amd64  ;; \
+            "arm64")  DOWNLOAD_ARCH=aarch64  ;; \
+        esac \
+        && wget -O /tmp/openlens.rpm https://github.com/MuhammedKalkan/OpenLens/releases/download/v6.5.2-366/OpenLens-6.5.2-366.${DOWNLOAD_ARCH}.rpm
 RUN \
   echo "**** install packages ****" && \
   rpm --import https://packages.microsoft.com/keys/microsoft.asc && \