diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 4bb812e2..4f6ff291 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -103,6 +103,12 @@ jobs:
         if ([string]::IsNullOrWhiteSpace($vcpkgRoot)) {
           $vcpkgRoot = "${{ steps.vcpkg_retry.outputs.vcpkgRoot }}"
         }
+        if ([string]::IsNullOrWhiteSpace($vcpkgRoot) -and $env:RUNVCPKG_VCPKG_ROOT) {
+          $vcpkgRoot = $env:RUNVCPKG_VCPKG_ROOT
+        }
+        if ([string]::IsNullOrWhiteSpace($vcpkgRoot) -and $env:VCPKG_ROOT) {
+          $vcpkgRoot = $env:VCPKG_ROOT
+        }
         if ([string]::IsNullOrWhiteSpace($vcpkgRoot)) {
           Write-Host "::error::lukka/run-vcpkg did not emit vcpkgRoot"
           exit 1
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 228f857a..4b374c36 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -177,6 +177,12 @@ jobs:
           if ([string]::IsNullOrWhiteSpace($vcpkgRoot)) {
             $vcpkgRoot = "${{ steps.vcpkg_retry.outputs.vcpkgRoot }}"
           }
+          if ([string]::IsNullOrWhiteSpace($vcpkgRoot) -and $env:RUNVCPKG_VCPKG_ROOT) {
+            $vcpkgRoot = $env:RUNVCPKG_VCPKG_ROOT
+          }
+          if ([string]::IsNullOrWhiteSpace($vcpkgRoot) -and $env:VCPKG_ROOT) {
+            $vcpkgRoot = $env:VCPKG_ROOT
+          }
           if ([string]::IsNullOrWhiteSpace($vcpkgRoot)) {
             Write-Host "::error::lukka/run-vcpkg did not emit vcpkgRoot"
             exit 1