diff --git a/syncthing.spec b/syncthing.spec
index 9d041da..5f14f9d 100644
--- a/syncthing.spec
+++ b/syncthing.spec
@@ -92,6 +92,7 @@ export COMMON_LDFLAGS="-X %{goipath}/lib/build.Version=v%{version} -X %{goipath}
 # noupgrade: disable syncthing self-update functionality
 # libsqlite3 / cgo: link system libsqlite3
 export GO_BUILDTAGS="noupgrade libsqlite3 cgo"
+export CGO_CFLAGS="%{build_cflags}" CGO_LDFLAGS="%{build_ldflags}"
 
 for cmd in cmd/syncthing cmd/stdiscosrv cmd/strelaysrv cmd/infra/strelaypoolsrv ; do
   export GO_LDFLAGS="-X %{goipath}/lib/build.Program=$(basename $cmd) $COMMON_LDFLAGS"
@@ -158,6 +159,7 @@ desktop-file-validate %{buildroot}/%{_datadir}/applications/*.desktop
 %if %{with check}
 export LANG=C.utf8
 export GO_BUILDTAGS="noupgrade libsqlite3 cgo"
+export CGO_CFLAGS="%{build_cflags}" CGO_LDFLAGS="%{build_ldflags}"
 %gocheck2
 %endif