diff --git a/.github/workflows/ci_cmake.yml b/.github/workflows/ci_cmake.yml
index 755fdd7123..29b3eac844 100644
--- a/.github/workflows/ci_cmake.yml
+++ b/.github/workflows/ci_cmake.yml
@@ -52,6 +52,7 @@ jobs:
           - name: Ubuntu 18.04 wxGTK 3
             runner: ubuntu-18.04
             cmake_generator: Unix Makefiles
+            cmake_samples: ALL
           - name: macOS 10.15 wxOSX
             runner: macos-10.15
             cmake_generator: Xcode