diff --git a/SPECS/icinga2.spec b/SPECS/icinga2.spec
index 8a5c545..9f59369 100644
--- a/SPECS/icinga2.spec
+++ b/SPECS/icinga2.spec
@@ -132,6 +132,7 @@ Provides Nano syntax highlighting for icinga2.
 
 %prep
 %setup -q -n %{name}-%{version}
+sed 's/return\ 256\ \*\ 1024\;/return 512 * 4096\;/g' -i lib/base/io-engine.hpp
 
 
 %build