diff --git a/shell/apple/emulator-osx/reicast-osx.xcodeproj/project.pbxproj b/shell/apple/emulator-osx/reicast-osx.xcodeproj/project.pbxproj
index ac0307c4a..df382c86d 100644
--- a/shell/apple/emulator-osx/reicast-osx.xcodeproj/project.pbxproj
+++ b/shell/apple/emulator-osx/reicast-osx.xcodeproj/project.pbxproj
@@ -2978,6 +2978,7 @@
 				ENABLE_STRICT_OBJC_MSGSEND = YES;
 				GCC_C_LANGUAGE_STANDARD = gnu99;
 				GCC_DYNAMIC_NO_PIC = NO;
+				GCC_FAST_MATH = YES;
 				GCC_OPTIMIZATION_LEVEL = 0;
 				GCC_PREPROCESSOR_DEFINITIONS = (
 					TARGET_NO_NIXPROF,
@@ -3033,6 +3034,7 @@
 				ENABLE_NS_ASSERTIONS = NO;
 				ENABLE_STRICT_OBJC_MSGSEND = YES;
 				GCC_C_LANGUAGE_STANDARD = gnu99;
+				GCC_FAST_MATH = YES;
 				GCC_PREPROCESSOR_DEFINITIONS = (
 					TARGET_NO_NIXPROF,
 					TARGET_NO_COREIO_HTTP,