diff --git a/include/libbb.h b/include/libbb.h
index e43c4f50d..6bd096c7f 100644
--- a/include/libbb.h
+++ b/include/libbb.h
@@ -359,10 +359,19 @@ extern int bb_default_error_retval;
 # define VC_3 "/dev/vc/3"
 # define VC_4 "/dev/vc/4"
 # define VC_5 "/dev/vc/5"
-# define SC_0 "/dev/tts/0"
-# define SC_1 "/dev/tts/1"
+#if defined(__sh__) || defined(__H8300H__) || defined(__H8300S__)
+/* Yes, this sucks, but both SH (including sh64) and H8 have a SCI(F) for their
+   respective serial ports .. as such, we can't use the common device paths for
+   these. -- PFM */
+#  define SC_0 "/dev/ttsc/0"
+#  define SC_1 "/dev/ttsc/1"
+#  define SC_FORMAT "/dev/ttsc/%d"
+#else
+#  define SC_0 "/dev/tts/0"
+#  define SC_1 "/dev/tts/1"
+#  define SC_FORMAT "/dev/tts/%d"
+#endif
 # define VC_FORMAT "/dev/vc/%d"
-# define SC_FORMAT "/dev/tts/%d"
 # define LOOP_FORMAT "/dev/loop/%d"
 #else
 # define CURRENT_VC "/dev/tty0"
@@ -371,10 +380,16 @@ extern int bb_default_error_retval;
 # define VC_3 "/dev/tty3"
 # define VC_4 "/dev/tty4"
 # define VC_5 "/dev/tty5"
-# define SC_0 "/dev/ttyS0"
-# define SC_1 "/dev/ttyS1"
+#if defined(__sh__) || defined(__H8300H__) || defined(__H8300S__)
+#  define SC_0 "/dev/ttySC0"
+#  define SC_1 "/dev/ttySC1"
+#  define SC_FORMAT "/dev/ttySC%d"
+#else
+#  define SC_0 "/dev/ttyS0"
+#  define SC_1 "/dev/ttyS1"
+#  define SC_FORMAT "/dev/ttyS%d"
+#endif
 # define VC_FORMAT "/dev/tty%d"
-# define SC_FORMAT "/dev/ttyS%d"
 # define LOOP_FORMAT "/dev/loop%d"
 #endif