diff --git a/code/renderer/tr_font.c b/code/renderer/tr_font.c
index 482c3fd5..383108fb 100644
--- a/code/renderer/tr_font.c
+++ b/code/renderer/tr_font.c
@@ -311,12 +311,12 @@ typedef union {
 
 float readFloat( void ) {
 	poor	me;
-#if defined BigFloat
+#if defined Q3_BIG_ENDIAN
 	me.fred[0] = fdFile[fdOffset+3];
 	me.fred[1] = fdFile[fdOffset+2];
 	me.fred[2] = fdFile[fdOffset+1];
 	me.fred[3] = fdFile[fdOffset+0];
-#elif defined LittleFloat
+#elif defined Q3_LITTLE_ENDIAN
 	me.fred[0] = fdFile[fdOffset+0];
 	me.fred[1] = fdFile[fdOffset+1];
 	me.fred[2] = fdFile[fdOffset+2];