diff --git a/Dockerfile b/Dockerfile
index 8f28b5b..9b7f5e1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-ARG NANOSERVER_VERSION=ltcs2022
+ARG WINDOWS_BASE_IMAGE=mcr.microsoft.com/windows/nanoserver:ltcs2022
 
 FROM --platform=$BUILDPLATFORM golang:1.21 as builder
 ARG TARGETARCH
@@ -22,7 +22,7 @@ COPY ./static /static
 COPY ./config /config
 ENTRYPOINT ["/goldpinger", "--static-file-path", "/static"]
 
-FROM mcr.microsoft.com/windows/nanoserver:$NANOSERVER_VERSION AS windows
+FROM $WINDOWS_BASE_IMAGE AS windows
 COPY --from=builder /w/bin/goldpinger /goldpinger.exe
 COPY ./static /static
 COPY ./config /config
diff --git a/docker-bake.hcl b/docker-bake.hcl
index cc76cb4..fa4447a 100644
--- a/docker-bake.hcl
+++ b/docker-bake.hcl
@@ -35,7 +35,7 @@ target "windows-nanoserver-ltsc2019" {
 
   target = "windows"
   args = {
-    NANOSERVER_VERSION = "ltsc2019"
+    WINDOWS_BASE_IMAGE = "mcr.microsoft.com/windows/nanoserver:ltsc2019"
   }
 }
 
@@ -47,6 +47,6 @@ target "windows-nanoserver-ltsc2022" {
 
   target = "windows"
   args = {
-    NANOSERVER_VERSION = "ltsc2022"
+    WINDOWS_BASE_IMAGE = "mcr.microsoft.com/windows/nanoserver:ltsc2022"
   }
 }