--- configure.ac
+++ configure.ac
@@ -219,7 +219,7 @@
 
 		if test "x$coreaudio" = "xyes"; then
 			AC_DEFINE(HAVE_APPLE_COREAUDIO,1, [Define if you have Apple CoreAudio])
-			LDFLAGS="$LDFLAGS -framework AudioUnit -framework CoreServices -framework AudioToolBox -framework CoreAudio"
+			LDFLAGS="$LDFLAGS -framework AudioUnit -framework CoreServices -framework AudioToolbox -framework CoreAudio"
 		fi
     fi
 fi