diff --git a/ci/build-2-install.sh b/ci/build-2-install.sh
index a894e48..a019b12 100755
--- a/ci/build-2-install.sh
+++ b/ci/build-2-install.sh
@@ -26,5 +26,6 @@ make CFLAGS="-g -fprofile-arcs -ftest-coverage"
 
 # use setuid, since setcap is not available
 sudo chown root src/fping
-sudo chmod u+s src/fping
-sudo chmod u+s src/fping6
+sudo chown root src/fping6
+sudo chmod u+s  src/fping
+sudo chmod u+s  src/fping6