diff --git a/src/print.c b/src/print.c
index 17ab587..fe948e3 100644
--- a/src/print.c
+++ b/src/print.c
@@ -43,8 +43,8 @@ static char *version(enum patty_ax25_version version) {
 
 static char *frame_cr(enum patty_ax25_frame_cr cr) {
     switch (cr) {
-        case PATTY_AX25_FRAME_COMMAND:  return "command";
-        case PATTY_AX25_FRAME_RESPONSE: return "response";
+        case PATTY_AX25_FRAME_COMMAND:  return "C";
+        case PATTY_AX25_FRAME_RESPONSE: return "R";
         case PATTY_AX25_FRAME_OLD:      return "?";
     }