diff --git a/OpenEXR_Viewers.spec b/OpenEXR_Viewers.spec
index 4809403..323cac1 100644
--- a/OpenEXR_Viewers.spec
+++ b/OpenEXR_Viewers.spec
@@ -73,6 +73,7 @@ This package contains documentation files for %{name}.
 %setup -q -n openexr_viewers-%{version}
 
 %patch1 -p1 -b .dso
+%patch2 -p1 -b .gcc11
 
 %if "%{_lib}" == "lib64"
 sed -i -e 's|ACTUAL_PREFIX/lib/CTL|ACTUAL_PREFIX/lib64/CTL|' configure.ac