diff --git a/src/decode.c b/src/decode.c
index dda3722..c759888 100644
--- a/src/decode.c
+++ b/src/decode.c
@@ -103,6 +103,37 @@ static int address_fprint(FILE *stream, const patty_ax25_frame *frame) {
     return 0;
 }
 
+static int frame_fprint(FILE *stream,
+                        const patty_ax25_frame *frame,
+                        void *data,
+                        size_t len) {
+    if (address_fprint(stream, frame) < 0) {
+        goto error_io;
+    }
+
+    if (frame->type == PATTY_AX25_FRAME_INFO) {
+        if (fprintf(stream, " poll %d ns %d nr %d",
+                PATTY_AX25_CONTROL_POLL(frame->control),
+                PATTY_AX25_CONTROL_SEQ_SEND(frame->control),
+                PATTY_AX25_CONTROL_SEQ_RECV(frame->control)) < 0) {
+            goto error_io;
+        }
+    }
+
+    if (fprintf(stream, " proto %02x %ld bytes\n", frame->proto, len) < 0) {
+        goto error_io;
+    }
+
+    if (hexdump_fprint(stream, data, len) < 0) {
+        goto error_io;
+    }
+
+    return 0;
+
+error_io:
+    return -1;
+}
+
 int main(int argc, char **argv) {
     patty_kiss_tnc *tnc;
     ssize_t len;
@@ -116,7 +147,7 @@ int main(int argc, char **argv) {
     if ((tnc = patty_kiss_tnc_open(argv[1], 330)) == NULL) {
         perror("Unable to open TNC");
 
-        exit(127);
+        goto error_kiss_tnc_open;
     }
 
     while ((len = patty_kiss_tnc_recv(tnc, &data, &port)) > 0) {
@@ -125,24 +156,24 @@ int main(int argc, char **argv) {
         if (patty_ax25_frame_decode(&frame, data, len) < 0) {
             perror("Unable to decode frame");
 
-            exit(127);
+            goto error_ax25_frame_decode;
         }
 
-        address_fprint(stderr, &frame);
+        if (frame_fprint(stderr, &frame, data, len) < 0) {
+            perror("Unable to print frame");
 
-        if (frame.type == PATTY_AX25_FRAME_INFO) {
-            fprintf(stderr, " poll %d", PATTY_AX25_CONTROL_POLL(frame.control));
-            fprintf(stderr, " ns %d",   PATTY_AX25_CONTROL_SEQ_SEND(frame.control));
-            fprintf(stderr, " nr %d",   PATTY_AX25_CONTROL_SEQ_RECV(frame.control));
+            goto error_frame_fprint;
         }
-
-        fprintf(stderr, " proto %02x", frame.proto);
-        fprintf(stderr, " %ld bytes\n", len);
-
-        hexdump_fprint(stderr, data, len);
     }
 
     patty_kiss_tnc_close(tnc);
 
     return 0;
+
+error_frame_fprint:
+error_ax25_frame_decode:
+    patty_kiss_tnc_close(tnc);
+
+error_kiss_tnc_open:
+    return 127;
 }