diff --git a/srcpkgs/yabause-gtk/patches/fix-cflags.patch b/srcpkgs/yabause-gtk/patches/fix-cflags.patch
new file mode 100644
index 0000000000..52c1cae617
--- /dev/null
+++ b/srcpkgs/yabause-gtk/patches/fix-cflags.patch
@@ -0,0 +1,13 @@
+Index: src/CMakeLists.txt
+===================================================================
+--- src/CMakeLists.txt.orig
++++ src/CMakeLists.txt
+@@ -659,7 +659,7 @@ else ()
+ 	set(yabause_SOURCES ${yabause_SOURCES} sock-dummy.c thr-dummy.c)
+ endif ()
+ 
+-set(YAB_OPTIMIZATION "-O3" CACHE STRING "Override optimization level")
++set(YAB_OPTIMIZATION "" CACHE STRING "Override optimization level")
+ 
+ if("${CMAKE_SYSTEM_PROCESSOR}" STREQUAL "i686")
+ 	set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${YAB_OPTIMIZATION} -march=i686 -msse")