diff --git a/compiler-rt/lib/scudo/standalone/CMakeLists.txt b/compiler-rt/lib/scudo/standalone/CMakeLists.txt
--- a/compiler-rt/lib/scudo/standalone/CMakeLists.txt
+++ b/compiler-rt/lib/scudo/standalone/CMakeLists.txt
@@ -5,7 +5,7 @@
 
 include_directories(../.. include)
 
-set(SCUDO_CFLAGS)
+set(SCUDO_CFLAGS ${SANITIZER_COMMON_CFLAGS})
 
 list(APPEND SCUDO_CFLAGS
   -Werror=conversion