diff --git a/Dockerfile b/Dockerfile
index 2f8370a..65a0a4b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -67,12 +67,13 @@ RUN Xvfb :99 -screen 0 1024x768x16 & \
     && wineserver --wait \
     && kill $XVFB_PID || true
 
-# Download and install .NET SDK with virtual display
+# Download .NET SDK
 RUN cd /tmp \
     && wget --progress=bar:force https://builds.dotnet.microsoft.com/dotnet/Sdk/9.0.301/dotnet-sdk-9.0.301-win-x64.exe \
-    && while [ ! -f dotnet-sdk-9.0.301-win-x64.exe ] || [ ! -s dotnet-sdk-9.0.301-win-x64.exe ]; do sleep 1; done \
-    && echo "Download completed, file size: $(ls -lh dotnet-sdk-9.0.301-win-x64.exe)" \
-    && sleep 3 \
+    && echo "Download completed, file size: $(ls -lh dotnet-sdk-9.0.301-win-x64.exe)"
+
+# Install .NET SDK with virtual display
+RUN cd /tmp \
     && Xvfb :99 -screen 0 1024x768x16 & \
     XVFB_PID=$! \
     && sleep 3 \