diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 38a701dc0..6c8372ca3 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -342,7 +342,7 @@ if( ZD_CMAKE_COMPILER_IS_GNUCXX_COMPATIBLE )
 	if(${CMAKE_SYSTEM_PROCESSOR} MATCHES "arm")
 		set (USE_ARMV8 0 CACHE BOOL "Use ARMv8 instructions - Raspberry Pi 3")
 		if (USE_ARMV8)
-			set( CMAKE_CXX_FLAGS "-mcpu=cortex-a53  -mfpu=neon-fp-armv8 -mtune=cortex-a53 -funsafe-math-optimizations -mhard-float -DNO_SSE ${CMAKE_CXX_FLAGS}" )
+			set( CMAKE_CXX_FLAGS "-mcpu=cortex-a53  -mfpu=neon-fp-armv8 -mtune=cortex-a53 -mhard-float -DNO_SSE ${CMAKE_CXX_FLAGS}" )
 		else ()
 			set( CMAKE_CXX_FLAGS "-mfpu=neon -DNO_SSE ${CMAKE_CXX_FLAGS}" )
 		endif ()