diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 98860716b9..1d3d1067e7 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -359,7 +359,7 @@ endif( NOT NO_ASM )
 set( SSE_MATTERS NO )
 
 # SSE only matters on 32-bit targets. We check compiler flags to know if we can do it.
-if( CMAKE_SIZEOF_VOID_P MATCHES "4" )
+if( CMAKE_SIZEOF_VOID_P MATCHES "4" AND NOT CMAKE_OSX_ARCHITECTURES MATCHES ppc )
 	CHECK_CXX_COMPILER_FLAG( "-msse2 -mfpmath=sse" CAN_DO_MFPMATH )
 	CHECK_CXX_COMPILER_FLAG( -arch:SSE2 CAN_DO_ARCHSSE2 )
 	if( CAN_DO_MFPMATH )
@@ -371,7 +371,7 @@ if( CMAKE_SIZEOF_VOID_P MATCHES "4" )
 		set( SSE2_ENABLE -arch:SSE2 )
 		set( SSE_MATTERS YES )
 	endif( CAN_DO_MFPMATH )
-endif( CMAKE_SIZEOF_VOID_P MATCHES "4" )
+endif( CMAKE_SIZEOF_VOID_P MATCHES "4" AND NOT CMAKE_OSX_ARCHITECTURES MATCHES ppc )
 
 if( SSE_MATTERS )
 	if( WIN32 )