diff --git a/.github/workflows/Build.yaml b/.github/workflows/Build.yaml
index e5da1961..f81b0c47 100644
--- a/.github/workflows/Build.yaml
+++ b/.github/workflows/Build.yaml
@@ -164,7 +164,7 @@ jobs:
 
     - name: Build
       working-directory: RecastDemo/Build/${{matrix.vs-version}}
-      run: msbuild RecastDemo.vcxproj -property:Configuration=${{matrix.conf}}
+      run: msbuild RecastDemo.vcxproj -property:Configuration=${{matrix.conf}} -property:Platform=x64
 
   windows-cmake:
     strategy:
diff --git a/.github/workflows/Tests.yaml b/.github/workflows/Tests.yaml
index bed6bab7..b9963646 100644
--- a/.github/workflows/Tests.yaml
+++ b/.github/workflows/Tests.yaml
@@ -96,7 +96,7 @@ jobs:
 
     - name: Build
       working-directory: RecastDemo/Build/vs2022
-      run: msbuild Tests.vcxproj -property:Configuration=Debug
+      run: msbuild Tests.vcxproj -property:Configuration=Debug -property:Platform=x64
 
     - name: Run Tests
       working-directory: RecastDemo/Bin/