diff --git a/libnice.spec b/libnice.spec
index 108c26f..4b4202d 100644
--- a/libnice.spec
+++ b/libnice.spec
@@ -87,18 +87,7 @@ autoreconf -fiv
 
 
 %build
-export CFLAGS="$RPM_OPT_FLAGS"
-%if 0%{?fedora} == 28
-# FIXME: This makes the code compile on Fedora 28 but the resulting binaries
-# cannot work properly!!!
-CFLAGS="$CFLAGS -Wno-error=cast-function-type"
-%endif
-%ifarch armv7hl
-# FIXME: basically the same problem on armv7hl with both Fedora 27 and 28
-CFLAGS="$CFLAGS -Wno-error=cast-align"
-%endif
-
-%configure --disable-static \
+%configure --enable-compile-warnings=yes --disable-static \
 %if %{with gst010}
  --with-gstreamer-0.10
 %else
@@ -154,6 +143,7 @@ make check
 
 %changelog
 * Fri Mar 16 2018 Kamil Dudka <kdudka@redhat.com> - 0.1.14-5.20171128gitfb2f1f7
+- do not build with -Werror by default
 - make the build more verbose
 
 * Fri Feb 09 2018 Kamil Dudka <kdudka@redhat.com> - 0.1.14-4.20171128gitfb2f1f7