diff --git a/packaging/rpm/core.spec.in b/packaging/rpm/core.spec.in
index 2e5367c1..b8c9bedb 100644
--- a/packaging/rpm/core.spec.in
+++ b/packaging/rpm/core.spec.in
@@ -54,7 +54,7 @@ virtual network topologies.
 # not using --disable-gui/--disable-daemon, because RPM expects both to be
 # installed by this build process
 # assume Fedora, using systemd startup script
-%configure --with-startup=systemd
+CFLAGS="-fno-strict-aliasing $CFLAGS" %configure --with-startup=systemd
 make -j4
 
 %install