diff --git a/.github/workflows/test_valgrind.yml b/.github/workflows/test_valgrind.yml
index b3f893647f..9eebbf18f8 100644
--- a/.github/workflows/test_valgrind.yml
+++ b/.github/workflows/test_valgrind.yml
@@ -4,6 +4,7 @@ on:
     branches:
       - master
       - update_valgrind_supp
+      - fix_valgrind_tests
   pull_request:
     branches:
       - master
diff --git a/scripts/run-valgrind-cpp.sh b/scripts/run-valgrind-cpp.sh
index fd08cbda54..a96b1d90e6 100755
--- a/scripts/run-valgrind-cpp.sh
+++ b/scripts/run-valgrind-cpp.sh
@@ -10,4 +10,4 @@ set -eou pipefail
 # run tests
 cd "${AMICI_PATH}/build/"
 VALGRIND_OPTS="--leak-check=full --error-exitcode=1 --trace-children=yes --show-leak-kinds=definite"
-valgrind ${VALGRIND_OPTS} ctest
+CTEST_OUTPUT_ON_FAILURE=1 valgrind ${VALGRIND_OPTS} ctest