diff --git a/.travis.yml b/.travis.yml
index 4b395aa804b..22f770a4243 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,8 +7,8 @@ env:
   - SUBTARGET=mess   MAME=mess64
 script:
   - if [ $CC == 'clang' ];
-    then make -j2 linux_x64_clang && ./$MAME -validate;
-    else make -j2 OPTIMIZE=0      && ./$MAME -validate;
+    then make -j2 linux_x64_clang OPT_FLAGS="-fPIE" && ./$MAME -validate;
+    else make -j2 OPTIMIZE=0 OPT_FLAGS="-fPIE"      && ./$MAME -validate;
     fi
 sudo: required
 before_install: