diff --git a/.travis.yml b/.travis.yml
index e93f6ca0d..3467103d1 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -125,7 +125,7 @@ jobs:
         FILE_ENV="./ci/test/00_setup_env_amd64_asan.sh"
 
     - stage: test
-      name: 'x86_64 Linux  [GOAL: install]  [bionic]  [no depends, only system libs, sanitizers: fuzzer,address]'
+      name: 'x86_64 Linux  [GOAL: install]  [bionic]  [no depends, only system libs, sanitizers: fuzzer,address,undefined]'
       env: >-
         FILE_ENV="./ci/test/00_setup_env_amd64_fuzz.sh"
 
diff --git a/ci/test/00_setup_env_amd64_fuzz.sh b/ci/test/00_setup_env_amd64_fuzz.sh
index edcb65af2..7bdfc2c32 100644
--- a/ci/test/00_setup_env_amd64_fuzz.sh
+++ b/ci/test/00_setup_env_amd64_fuzz.sh
@@ -13,4 +13,4 @@ export RUN_UNIT_TESTS=false
 export RUN_FUNCTIONAL_TESTS=false
 export RUN_FUZZ_TESTS=true
 export GOAL="install"
-export BITCOIN_CONFIG="--enable-fuzz --with-sanitizers=fuzzer,address CC=clang CXX=clang++"
+export BITCOIN_CONFIG="--enable-fuzz --with-sanitizers=fuzzer,address,undefined CC=clang CXX=clang++"