diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 6decaec976..7338279661 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -345,8 +345,8 @@ static-scan:
       - _scan_build/meson-logs
   allow_failure: true
 
-# Run tests with the address sanitizer. We need to turn off introspection,
-# since it is incompatible with asan
+# Run tests with the address sanitizer. We need to turn off introspection
+# and f16c, since they are incompatible with asan
 asan-build:
   image: $FEDORA_IMAGE
   tags: [ asan ]
@@ -356,7 +356,7 @@ asan-build:
   script:
     - export PATH="$HOME/.local/bin:$PATH"
     - pip3 install --user meson~=0.64
-    - CC=clang meson setup --buildtype=debugoptimized -Db_sanitize=address -Db_lundef=false -Dintrospection=disabled _build
+    - CC=clang meson setup --buildtype=debugoptimized -Db_sanitize=address -Db_lundef=false -Dintrospection=disabled -Df16c=disabled _build
     - ninja -C _build
     - .gitlab-ci/run-tests.sh _build wayland
   artifacts:
diff --git a/.gitlab-ci/run-tests.sh b/.gitlab-ci/run-tests.sh
index b60c3b38cc..a4593532f3 100755
--- a/.gitlab-ci/run-tests.sh
+++ b/.gitlab-ci/run-tests.sh
@@ -8,7 +8,7 @@ builddir=$1
 backend=$2
 
 # Ignore memory leaks lower in dependencies
-export LSAN_OPTIONS=suppressions=$srcdir/lsan.supp:print_suppressions=0
+export LSAN_OPTIONS=suppressions=$srcdir/lsan.supp:print_suppressions=0:verbosity=1:log_threads=1
 export G_SLICE=always-malloc
 
 case "${backend}" in