diff --git a/multimedia/obs-ndi/files/patch-CMakeLists.txt b/multimedia/obs-ndi/files/patch-CMakeLists.txt
new file mode 100644
index 000000000000..94113e823907
--- /dev/null
+++ b/multimedia/obs-ndi/files/patch-CMakeLists.txt
@@ -0,0 +1,11 @@
+--- CMakeLists.txt.orig	2020-05-14 10:29:22 UTC
++++ CMakeLists.txt
+@@ -153,7 +153,7 @@ endif()
+ if(UNIX AND NOT APPLE)
+ 	include(GNUInstallDirs)
+ 
+-	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -mtune=core2 -Ofast")
++	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -Ofast")
+ 
+ 	set_target_properties(obs-ndi PROPERTIES PREFIX "")
+ 	target_link_libraries(obs-ndi obs-frontend-api)