diff --git a/.github/actions/vulkan/action.yml b/.github/actions/vulkan/action.yml
index 2aad85ed6..e0db012f7 100644
--- a/.github/actions/vulkan/action.yml
+++ b/.github/actions/vulkan/action.yml
@@ -32,7 +32,7 @@ runs:
           *) # Windows
             curl -L -o vulkan-sdk.exe https://sdk.lunarg.com/sdk/download/$VULKAN_SDK_VER/windows/VulkanSDK-$VULKAN_SDK_VER-Installer.exe
             ./vulkan-sdk.exe --root "C:\VulkanSDK"  --accept-licenses --default-answer --confirm-command install
-            set VULKAN_SDK="C:\VulkanSDK"
+            export VULKAN_SDK="C:\VulkanSDK"
             ;;
         esac
         echo VULKAN_SDK=$VULKAN_SDK >> $GITHUB_ENV