diff --git a/libpcap.spec b/libpcap.spec
index cb5c172..7606f7f 100644
--- a/libpcap.spec
+++ b/libpcap.spec
@@ -58,6 +58,7 @@ sed -i -e 's|-fpic|-fPIC|g' configure
 %endif
 
 %build
+export CFLAGS="$RPM_OPT_FLAGS -fno-strict-aliasing"
 %configure
 make %{?_smp_mflags}