diff --git a/include/patty/kiss.h b/include/patty/kiss.h
index 595ed1e..da9bb3a 100644
--- a/include/patty/kiss.h
+++ b/include/patty/kiss.h
@@ -39,6 +39,8 @@ int patty_kiss_tnc_dropped(patty_kiss_tnc *tnc);
 
 ssize_t patty_kiss_tnc_buffer(patty_kiss_tnc *tnc);
 
+ssize_t patty_kiss_tnc_decode(patty_kiss_tnc *tnc, void *frame, size_t *len, int *port);
+
 ssize_t patty_kiss_tnc_recv(patty_kiss_tnc *tnc,
     void **frame, int *port);
 
diff --git a/src/kiss.c b/src/kiss.c
index c010694..bafaf93 100644
--- a/src/kiss.c
+++ b/src/kiss.c
@@ -101,7 +101,7 @@ error_io:
     return -1;
 }
 
-static ssize_t tnc_decode(patty_kiss_tnc *tnc, void *frame, size_t *len, int *port) {
+ssize_t patty_kiss_tnc_decode(patty_kiss_tnc *tnc, void *frame, size_t *len, int *port) {
     size_t i, b;
     int flags = KISS_NONE;
 
@@ -244,7 +244,7 @@ ssize_t patty_kiss_tnc_recv(patty_kiss_tnc *tnc, void **frame, int *port) {
         /*
          * Try to decode the TNC buffer into the frame.
          */
-        if ((decoded = tnc_decode(tnc, tnc->frame, &framelen, port)) < 0) {
+        if ((decoded = patty_kiss_tnc_decode(tnc, tnc->frame, &framelen, port)) < 0) {
             goto error_io;
         }