diff --git a/windows1809/cuda-devel/Dockerfile b/windows1809/cuda-devel/Dockerfile
index a9707a4a8b5e48c03861a26cb141d9b74d618e9e..37bcbba84ff79c07e062c1bd882de64330dbdd1c 100644
--- a/windows1809/cuda-devel/Dockerfile
+++ b/windows1809/cuda-devel/Dockerfile
@@ -37,6 +37,7 @@ RUN cd $env:VCPKG_DIR; \
         "\"opencv3[cuda,ffmpeg,ximea,opengl,contrib,ipp,dnn]\"" \
         "\"mxnet[cpp,opencv,cuda,cudnn]\""; \
     [Environment]::SetEnvironmentVariable('VCPKG_TRIPLET', "\"$vcpkg_triplet\"", [EnvironmentVariableTarget]::Machine); \
+    [Environment]::SetEnvironmentVariable('CMAKE_TOOLCHAIN_FILE', "/vcpkg/scripts/buildsystems/vcpkg.cmake", [EnvironmentVariableTarget]::Machine); \
     [Environment]::SetEnvironmentVariable('VCPKG_TARGET_TRIPLET', "\"$vcpkg_triplet\"", [EnvironmentVariableTarget]::Machine); \
     [Environment]::SetEnvironmentVariable('VCPKG_INSTALL_DIR', "\"$env:VCPKG_DIR/installed/$vcpkg_triplet\"", [EnvironmentVariableTarget]::Machine); \
     Remove-Item -Force -Recurse ./downloads; \
diff --git a/windows1809/devel/Dockerfile b/windows1809/devel/Dockerfile
index de72000807eceaa2a8d7b410250973d8312d3e3a..9cd0f5760a61b1e83a00cf9eccaf8efa2db6b184 100644
--- a/windows1809/devel/Dockerfile
+++ b/windows1809/devel/Dockerfile
@@ -26,6 +26,7 @@ RUN cd $env:VCPKG_DIR; \
         "\"opencv3[ffmpeg,ximea,opengl,contrib,ipp,dnn]\"" \
         "\"mxnet[cpp,opencv]\""; \
     [Environment]::SetEnvironmentVariable('VCPKG_TRIPLET', "\"$vcpkg_triplet\"", [EnvironmentVariableTarget]::Machine); \
+    [Environment]::SetEnvironmentVariable('CMAKE_TOOLCHAIN_FILE', "/vcpkg/scripts/buildsystems/vcpkg.cmake", [EnvironmentVariableTarget]::Machine); \
     [Environment]::SetEnvironmentVariable('VCPKG_TARGET_TRIPLET', "\"$vcpkg_triplet\"", [EnvironmentVariableTarget]::Machine); \
     [Environment]::SetEnvironmentVariable('VCPKG_INSTALL_DIR', "\"$env:VCPKG_DIR/installed/$vcpkg_triplet\"", [EnvironmentVariableTarget]::Machine); \
     Remove-Item -Force -Recurse ./downloads; \