diff --git a/be/CMakeLists.txt b/be/CMakeLists.txt
index 798fb18164..eafb6ac507 100644
--- a/be/CMakeLists.txt
+++ b/be/CMakeLists.txt
@@ -371,7 +371,7 @@ set(CXX_FLAGS_LSAN "${CXX_GCC_FLAGS} -O0 -fsanitize=leak -DLEAK_SANITIZER")
 
 # Set the flags to the undefined behavior sanitizer, also known as "ubsan"
 # Turn on sanitizer and debug symbols to get stack traces:
-set(CXX_FLAGS_UBSAN "${CXX_GCC_FLAGS} -O0 -fno-wrapv -mcmodel=large -fsanitize=undefined -DUNDEFINED_BEHAVIOR_SANITIZER")
+set(CXX_FLAGS_UBSAN "${CXX_GCC_FLAGS} -O0 -fno-wrapv -mcmodel=medium -fsanitize=undefined -DUNDEFINED_BEHAVIOR_SANITIZER")
 
 # Set the flags to the thread sanitizer, also known as "tsan"
 # Turn on sanitizer and debug symbols to get stack traces: