diff --git a/cmake/system.cmake b/cmake/system.cmake
index 68df2d900..66e95c6d3 100644
--- a/cmake/system.cmake
+++ b/cmake/system.cmake
@@ -174,7 +174,7 @@ if (DEFINED TARGET)
   endif()
   if (DEFINED HAVE_AVX)
 	if (NOT NO_AVX)
-    set (KERNEL_DEFINITIONS "${KERNEL_DEFINITIONS} -mavx -mfma")
+    set (KERNEL_DEFINITIONS "${KERNEL_DEFINITIONS} -mavx")
 	endif()
   endif()
   if (DEFINED HAVE_AVX2)