diff --git a/_config b/_config
index 87ab5f4..a00b2d2 100644
--- a/_config
+++ b/_config
@@ -86,6 +86,13 @@ Macros:
 # SUSE SLFO specific change
 %if "%_project" == "SUSE:SLFO:1.1:Build" || "%{sub %_project 1 21}" == "SUSE:SLFO:1.1:Staging"
 
+# blosc2 is broken on s390x
+# disable it to meet maintenance exit criteria
+%ifarch s390x
+ BuildFlags: excludebuild:blosc2
+%endif
+
+
 # no mono on SLFO
 BuildFlags: excludebuild:gettext-runtime:gettext-csharp
 BuildFlags: excludebuild:meson:test