diff --git a/ci/test/00_setup_env_native_msan.sh b/ci/test/00_setup_env_native_msan.sh
index c6b3d68be6..cd4ac99942 100755
--- a/ci/test/00_setup_env_native_msan.sh
+++ b/ci/test/00_setup_env_native_msan.sh
@@ -27,4 +27,3 @@ export BITCOIN_CONFIG="\
  -DAPPEND_CPPFLAGS='-U_FORTIFY_SOURCE' \
 "
 export USE_MEMORY_SANITIZER="true"
-export RUN_FUNCTIONAL_TESTS="false"
diff --git a/ci/test/01_base_install.sh b/ci/test/01_base_install.sh
index e026b919e3..0130e820c2 100755
--- a/ci/test/01_base_install.sh
+++ b/ci/test/01_base_install.sh
@@ -49,7 +49,7 @@ if [ -n "$PIP_PACKAGES" ]; then
 fi
 
 if [[ ${USE_MEMORY_SANITIZER} == "true" ]]; then
-  ${CI_RETRY_EXE} git clone --depth=1 https://github.com/llvm/llvm-project -b "llvmorg-19.1.0" /msan/llvm-project
+  ${CI_RETRY_EXE} git clone --depth=1 https://github.com/llvm/llvm-project -b "llvmorg-19.1.6" /msan/llvm-project
 
   cmake -G Ninja -B /msan/clang_build/ \
     -DLLVM_ENABLE_PROJECTS="clang" \