diff --git a/build-support/custom-modules/ns3-coverage.cmake b/build-support/custom-modules/ns3-coverage.cmake
index 4a12a98c1..03e2a86da 100644
--- a/build-support/custom-modules/ns3-coverage.cmake
+++ b/build-support/custom-modules/ns3-coverage.cmake
@@ -33,13 +33,15 @@ if(${NS3_COVERAGE})
   add_custom_target(
     coverage_gcc
     COMMAND lcov -o ns3.info -c --directory ${CMAKE_BINARY_DIR} ${zero_counters}
+            --keep-going --ignore-errors inconsistent
     WORKING_DIRECTORY ${CMAKE_OUTPUT_DIRECTORY}/coverage
     DEPENDS run_test_py
   )
 
   add_custom_target(
     coverage_html
-    COMMAND genhtml ns3.info
+    COMMAND genhtml --ignore-errors inconsistent --ignore-errors corrupt
+            ns3.info -o ./html
     WORKING_DIRECTORY ${CMAKE_OUTPUT_DIRECTORY}/coverage
     DEPENDS coverage_gcc
   )
diff --git a/utils/tests/gitlab-ci-scheduled.yml b/utils/tests/gitlab-ci-scheduled.yml
index 0b12fd551..17dabe844 100644
--- a/utils/tests/gitlab-ci-scheduled.yml
+++ b/utils/tests/gitlab-ci-scheduled.yml
@@ -252,14 +252,10 @@ weekly-build-coverage:
   variables:
     MODE: debug
     EXTRA_OPTIONS: "--enable-gcov --disable-asserts --disable-logs"
-    TARGET: coverage_cobertura
+    TARGET: coverage_html
   artifacts:
     paths:
-     - build/coverage/cobertura.xml
-    reports:
-      coverage_report:
-        coverage_format: cobertura
-        path: build/coverage/cobertura.xml
+     - build/coverage/html
   tags:
     - nsnam
     - linux