diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 533b2c31c..3c5e5b19d 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -194,9 +194,11 @@ fedora-x86_64:
             _build
     - meson compile -C _build
     - mkdir -p _coverage
-    - lcov --config-file .lcovrc --directory _build --capture --initial --output-file "_coverage/${CI_JOB_NAME}-baseline.lcov"
+    - lcov --config-file .lcovrc --directory _build --capture --initial
+      --output-file "_coverage/${CI_JOB_NAME}-baseline.lcov"
     - .gitlab-ci/run-tests.sh
-    - lcov --config-file .lcovrc --directory _build --capture --output-file "_coverage/${CI_JOB_NAME}.lcov"
+    - lcov --config-file .lcovrc --directory _build --capture
+      --output-file "_coverage/${CI_JOB_NAME}.lcov"
     # Copy the built documentation to an artifact directory. The build for docs.gtk.org
     # can then pull it from there — see https://gitlab.gnome.org/GNOME/gtk/-/blob/docs-gtk-org/README.md
     - mkdir -p _reference/
diff --git a/.gitlab-ci/coverage-docker.sh b/.gitlab-ci/coverage-docker.sh
index 6367f5e14..53a14a283 100755
--- a/.gitlab-ci/coverage-docker.sh
+++ b/.gitlab-ci/coverage-docker.sh
@@ -27,7 +27,6 @@ for path in _coverage/*.lcov; do
 done
 
 genhtml \
-    --ignore-errors=source \
     --config-file .lcovrc \
     _coverage/*.lcov \
     -o _coverage/coverage
diff --git a/.lcovrc b/.lcovrc
index 9107da270..cbed5ba13 100644
--- a/.lcovrc
+++ b/.lcovrc
@@ -13,4 +13,7 @@ lcov_branch_coverage = 1
 lcov_excl_br_line = LCOV_EXCL_BR_LINE|g_return_if_fail|g_return_val_if_fail|g_assert|g_assert_|g_clear_
 
 # Similarly for unreachable assertions.
-lcov_excl_line = LCOV_EXCL_LINE|g_return_if_reached|g_return_val_if_reached|g_assert_not_reached
\ No newline at end of file
+lcov_excl_line = LCOV_EXCL_LINE|g_return_if_reached|g_return_val_if_reached|g_assert_not_reached
+
+# When using dtrace some temporary files may be leaked as source files
+ignore_errors = source