diff --git a/src/regex/regcustom.h b/src/regex/regcustom.h
index f5486920e7..14daa24d04 100644
--- a/src/regex/regcustom.h
+++ b/src/regex/regcustom.h
@@ -72,9 +72,9 @@ typedef long celt;				/* type to hold chr, MCCE number, or
 
 /*  RN - the "not use sizeof() thing is really asanine!" */
 #ifdef wxUSE_UNICODE
-#	define CHRBITS 8
+#	define CHRBITS 32
 #else
-#	define CHRBITS 32			/* bits in a chr; must not use sizeof */
+#	define CHRBITS 8			/* bits in a chr; must not use sizeof */
 #endif
 #define CHR_MIN 0x00000000		/* smallest and largest chr; the value */
 #define CHR_MAX (1 << CHRBITS) /*0xfffffffe*/		/* CHR_MAX-CHR_MIN+1 should fit in uchr */