diff --git a/.github/workflows/nightly_Linux_distributions.yml b/.github/workflows/nightly_Linux_distributions.yml
index 2bf8ab5a..9b11b9ac 100644
--- a/.github/workflows/nightly_Linux_distributions.yml
+++ b/.github/workflows/nightly_Linux_distributions.yml
@@ -22,7 +22,7 @@ jobs:
     container:
       image: ${{ matrix.container_image }}
       env:
-        CMAKE_FLAGS: -DEXIV2_TEAM_EXTRA_WARNINGS=OFF -DEXIV2_ENABLE_WEBREADY=ON -DEXIV2_ENABLE_CURL=ON -DEXIV2_BUILD_UNIT_TESTS=OFF -DEXIV2_ENABLE_BMFF=ON -DEXIV2_TEAM_WARNINGS_AS_ERRORS=OFF -DCMAKE_INSTALL_PREFIX=install
+        CMAKE_FLAGS: -DEXIV2_TEAM_EXTRA_WARNINGS=OFF -DEXIV2_ENABLE_WEBREADY=ON -DEXIV2_ENABLE_CURL=ON -DEXIV2_BUILD_UNIT_TESTS=OFF -DEXIV2_ENABLE_BMFF=ON -DEXIV2_TEAM_WARNINGS_AS_ERRORS=OFF -DEXIV2_ENABLE_PNG=ON -DCMAKE_INSTALL_PREFIX=install
 
     steps:
     - name: install tar in opensuse