diff --git a/ci/run.sh b/ci/run.sh
index 52574802..61903b5d 100755
--- a/ci/run.sh
+++ b/ci/run.sh
@@ -8,7 +8,7 @@ source conan/bin/activate
 if [[ "$(uname -s)" == 'Linux' ]]; then
     if [ "$CC" == "clang" ]; then
         # clang + Ubuntu don't like to run with UBSAN, but ASAN works
-        export CMAKE_OPTIONS="$CMAKE_OPTIONS -DCMAKE_CXX_FLAGS=\"-fsanitize=address\" -DCMAKE_C_FLAGS=\"-fsanitize=address\" -DCMAKE_EXE_LINKER_FLAGS=\"-fsanitize=address\" -DCMAKE_MODULE_LINKER_FLAGS=\"-fsanitize=address\""
+        export CMAKE_OPTIONS="$CMAKE_OPTIONS"
     elif [ -n "$WITH_VALGRIND" ]; then
         export EXIV2_VALGRIND="valgrind --quiet"
     else
@@ -23,7 +23,7 @@ mkdir build
 cd    build
 conan install .. -o webready=True --build missing
 cmake ${CMAKE_OPTIONS} -DEXIV2_TEAM_WARNINGS_AS_ERRORS=ON -DCMAKE_INSTALL_PREFIX=install ..
-make  -j 2
+make  -j
 make  tests
 make  install