diff --git a/nheko.spec b/nheko.spec
index b3e766f..51fbe4d 100644
--- a/nheko.spec
+++ b/nheko.spec
@@ -1,9 +1,13 @@
 %undefine __cmake_in_source_build
-%bcond_without clang
+%bcond_with clang
 
 %if %{with clang}
+%if 0%{?fedora} && 0%{?fedora} >= 33
+%global toolchain clang
+%else
 %global optflags %(echo %{optflags} | sed -e 's/-mcet//g' -e 's/-fcf-protection//g' -e 's/-fstack-clash-protection//g' -e 's/$/ -Qunused-arguments -Wno-unknown-warning-option -Wno-deprecated-declarations/')
 %endif
+%endif
 
 Name: nheko
 Version: 0.7.2