diff --git a/_config b/_config
index c36d871..08f1548 100644
--- a/_config
+++ b/_config
@@ -87,6 +87,10 @@ Macros:
 # SUSE SLFO specific change
 %if "%_project" == "SUSE:SLFO:Main:Build" || "%{sub %_project 1 22}" == "SUSE:SLFO:Main:Staging"
 
+# FIXME: Temporary until gcc13 gets bootstrapped
+BuildFlags: excludebuild:gcc13
+# END FIXME
+
 # no mono on SLFO
 BuildFlags: excludebuild:gettext-runtime:gettext-csharp
 BuildFlags: excludebuild:meson:test