diff --git a/libffi.spec b/libffi.spec
index 14136af..cffbd9a 100644
--- a/libffi.spec
+++ b/libffi.spec
@@ -62,6 +62,10 @@ developing applications that use %{name}.
 %setup -q
 
 %build
+
+# Prevent rebuild within the mass rebuild.
+exit 1
+
 # For now we disable the static templates to avoid ghc and
 # gobject-introspection failures:
 # https://gitlab.haskell.org/ghc/ghc/-/issues/20051