diff --git a/inc/inlineC.h b/inc/inlineC.h
index c4fd376..41418df 100755
--- a/inc/inlineC.h
+++ b/inc/inlineC.h
@@ -41,8 +41,15 @@
 #define Get_Pointer_PCMAC2 Get_Pointer(PCMAC + 2)
 
 	/* For getting a signed byte */
+#ifndef BYTESWAP
+/* in the unswapped case, the type of the argument carries through to the result */
 #define Get_SBYTE_PCMAC0 GETBYTE((s_char *)PCMAC)
 #define Get_SBYTE_PCMAC1 GETBYTE((s_char *)PCMAC+1)
+#else
+/* cf. GETBYTE in lsptypes.h */
+#define Get_SBYTE_PCMAC0 (* (s_char *) (3^(UNSIGNED)(PCMAC)))
+#define Get_SBYTE_PCMAC1 (* (s_char *) (3^(UNSIGNED)(PCMAC+1)))
+#endif
 
 	/* for getting an atom number, e.g., for FNx or DTEST */
 #ifdef BIGATOMS
diff --git a/inc/lsptypes.h b/inc/lsptypes.h
index 0f6c012..e7c729a 100755
--- a/inc/lsptypes.h
+++ b/inc/lsptypes.h
@@ -576,7 +576,7 @@ typedef struct
 	/* 								*/
 	/****************************************************************/
 
-#define GETBYTE(base) (* (char *) (3^(UNSIGNED)(base)))
+#define GETBYTE(base) (* (unsigned char *) (3^(UNSIGNED)(base)))
   /* GETBASEWORD only works if base points to a 32-bit bounday */
 #define GETBASEWORD(base, offset) GETWORDBASEWORD((base),(offset))
 #define GETWORDBASEWORD(base, offset) (* (DLword *) (2^(UNSIGNED)((base)+(offset))))