diff --git a/entrypoint.sh b/entrypoint.sh
index 02697db..f4436f3 100755
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -26,7 +26,9 @@ cat <<EOF > "$DOCKER_CONFIG/config.json"
   }
 }
 EOF
+
+DIR="$(dirname "$INPUT_DOCKERFILE")"
 buildctl-daemonless.sh build --frontend dockerfile.v0 "$@" \
     -o "type=image,name=$IMAGEAPP,push=true" \
     --opt filename="$INPUT_DOCKERFILE" \
-    --local context="$(dirname "$INPUT_DOCKERFILE")"
+    --local context="$DIR" --local dockerfile="$DIR"