diff --git a/modules/nixos/guests/defenseioGpu/config/default.nix b/modules/nixos/guests/defenseioGpu/config/default.nix
index 1d358d7..57c759a 100644
--- a/modules/nixos/guests/defenseioGpu/config/default.nix
+++ b/modules/nixos/guests/defenseioGpu/config/default.nix
@@ -220,65 +220,79 @@ in
 
         # Main execution script
         ExecStart = pkgs.writeShellScript "run-gpu-miner" ''
-          set -e
-          cd ${cfg.dataDir}/GPU-Miner
+            set -e
+            cd ${cfg.dataDir}/GPU-Miner
 
-          # Set CUDA environment
-          export CUDA_PATH=${cudaPackages.cudatoolkit}
-          export CUDA_ROOT=${cudaPackages.cudatoolkit}
-          export CUDA_HOME=${cudaPackages.cudatoolkit}
+            # Set CUDA environment
+            export CUDA_PATH=${cudaPackages.cudatoolkit}
+            export CUDA_ROOT=${cudaPackages.cudatoolkit}
+            export CUDA_HOME=${cudaPackages.cudatoolkit}
 
-          # Use GCC 13 for CUDA compilation (compatible with CUDA 12.8)
-          export CC=${gccCompiler}/bin/gcc
-          export CXX=${gccCompiler}/bin/g++
+            # Use GCC 13 for CUDA compilation (compatible with CUDA 12.8)
+            export CC=${gccCompiler}/bin/gcc
+            export CXX=${gccCompiler}/bin/g++
+            
+            # CRITICAL: Force nvcc to use GCC 13 by creating a wrapper script
+            # The wrapper must pass both --compiler-bindir and ensure CUDA headers are found
+            mkdir -p /tmp/nvcc-wrapper
+            cat > /tmp/nvcc-wrapper/nvcc <<WRAPPER_EOF
+          #!${pkgs.bash}/bin/bash
+          # Add CUDA include path to help nvcc find cuda_runtime.h
+          exec ${cudaPackages.cudatoolkit}/bin/nvcc \\
+            --compiler-bindir ${gccCompiler}/bin \\
+            -I${cudaPackages.cudatoolkit}/include \\
+            "\$@"
+          WRAPPER_EOF
+            chmod +x /tmp/nvcc-wrapper/nvcc
+            
+            # Put our wrapper at the front of PATH
+            export PATH="/tmp/nvcc-wrapper:$PATH"
 
-          # Point nvcc to GCC 13 headers for compilation
-          export CPATH=${gccCompiler}/include/c++/${gccCompiler.version}:${cudaPackages.cudatoolkit}/include:$CPATH
-          export C_INCLUDE_PATH=${cudaPackages.cudatoolkit}/include:$C_INCLUDE_PATH
-          export CPLUS_INCLUDE_PATH=${gccCompiler}/include/c++/${gccCompiler.version}:${cudaPackages.cudatoolkit}/include:$CPLUS_INCLUDE_PATH
-          export LIBRARY_PATH=${cudaPackages.cudatoolkit}/lib:$LIBRARY_PATH
+            # Use GCC 14 runtime libraries for CXXABI_1.3.15 at runtime
+            export LD_LIBRARY_PATH=${
+              lib.makeLibraryPath [
+                cudaPackages.cudatoolkit
+                config.boot.kernelPackages.nvidiaPackages.latest
+                gccRuntime.cc.lib # GCC 14 for runtime
+                pkgs.zlib
+                pkgs.glib
+                pkgs.glibc
+              ]
+            }
+            # Add gpu_core binaries to library path
+            export LD_LIBRARY_PATH="$PWD/gpu_core/bin/linux:$LD_LIBRARY_PATH"
 
-          # CRITICAL: Use GCC 14 runtime libraries for CXXABI_1.3.15 at runtime
-          export LD_LIBRARY_PATH=${
-            lib.makeLibraryPath [
-              cudaPackages.cudatoolkit
-              config.boot.kernelPackages.nvidiaPackages.latest
-              gccRuntime.cc.lib # GCC 14 for runtime
-              pkgs.zlib
-              pkgs.glib
-              pkgs.glibc
-            ]
-          }
-          # Add gpu_core binaries to library path
-          export LD_LIBRARY_PATH="$PWD/gpu_core/bin/linux:$LD_LIBRARY_PATH"
+            export __GLX_VENDOR_LIBRARY_NAME=nvidia
+            export GBM_BACKEND=nvidia-drm
 
-          export __GLX_VENDOR_LIBRARY_NAME=nvidia
-          export GBM_BACKEND=nvidia-drm
+            # Verify GPU accessibility
+            echo "Checking GPU availability..."
+            if command -v nvidia-smi &> /dev/null; then
+              nvidia-smi -L || echo "Warning: Could not list GPUs"
+            fi
 
-          # Verify GPU accessibility
-          echo "Checking GPU availability..."
-          if command -v nvidia-smi &> /dev/null; then
-            nvidia-smi -L || echo "Warning: Could not list GPUs"
-          fi
+            echo "Starting GPU miner..."
+            echo "Python version: $(venv/bin/python --version)"
+            echo "Compile-time GCC: ${gccCompiler}/bin/gcc ($(${gccCompiler}/bin/gcc --version | head -n1))"
+            echo "Runtime GCC library: ${gccRuntime.cc.lib}/lib"
+            echo "Working directory: $(pwd)"
+            echo "NVCC wrapper: $(type -p nvcc)"
 
-          echo "Starting GPU miner..."
-          echo "Python version: $(venv/bin/python --version)"
-          echo "Compile-time GCC: ${gccCompiler}/bin/gcc ($(${gccCompiler}/bin/gcc --version | head -n1))"
-          echo "Runtime GCC library: ${gccRuntime.cc.lib}/lib"
-          echo "Working directory: $(pwd)"
+            # Verify the critical library is available
+            echo "Checking for CXXABI_1.3.15..."
+            if strings ${gccRuntime.cc.lib}/lib/libstdc++.so.6 | grep -q CXXABI_1.3.15; then
+              echo "✓ CXXABI_1.3.15 found in runtime libstdc++"
+            else
+              echo "✗ WARNING: CXXABI_1.3.15 not found"
+            fi
 
-          # Verify the critical library is available
-          echo "Checking for CXXABI_1.3.15..."
-          if strings ${gccRuntime.cc.lib}/lib/libstdc++.so.6 | grep -q CXXABI_1.3.15; then
-            echo "✓ CXXABI_1.3.15 found in runtime libstdc++"
-          else
-            echo "✗ WARNING: CXXABI_1.3.15 not found"
-          fi
+            # Test nvcc compilation
+            echo "Testing nvcc compiler configuration..."
+            /tmp/nvcc-wrapper/nvcc --version
 
-          # Run the miner
-          exec venv/bin/python main.py --workers ${builtins.toString cfg.maxWorkers} 2>&1
+            # Run the miner
+            exec venv/bin/python main.py --workers ${builtins.toString cfg.maxWorkers} 2>&1
         '';
-
         StandardOutput = "journal";
         StandardError = "journal";
       };