diff --git a/buildjdk.sh b/buildjdk.sh
index 23c39c03..9fd51a42 100755
--- a/buildjdk.sh
+++ b/buildjdk.sh
@@ -4,7 +4,7 @@ set -e
 
 export FREETYPE_DIR=$PWD/freetype-$BUILD_FREETYPE_VERSION/build_android-$TARGET_SHORT
 export CUPS_DIR=$PWD/cups-2.2.4
-export CFLAGS+=" -DLE_STANDALONE -DANDROID -O3" # -I$FREETYPE_DIR -I$CUPS_DI
+export CFLAGS+=" -DLE_STANDALONE -DANDROID -O3 -fsanitize=implicit-integer-truncation" # -I$FREETYPE_DIR -I$CUPS_DI
 
 # if [ "$TARGET_JDK" == "aarch32" ] || [ "$TARGET_JDK" == "aarch64" ]
 # then