diff --git a/include/patty/kiss.h b/include/patty/kiss.h
index 6dd76b2..c1e289b 100644
--- a/include/patty/kiss.h
+++ b/include/patty/kiss.h
@@ -37,7 +37,7 @@ void patty_kiss_tnc_close(patty_kiss_tnc *tnc);
 
 void patty_kiss_tnc_drop(patty_kiss_tnc *tnc);
 
-int patty_kiss_tnc_dropped(patty_kiss_tnc *tnc);
+size_t patty_kiss_tnc_dropped(patty_kiss_tnc *tnc);
 
 void patty_kiss_tnc_flush(patty_kiss_tnc *tnc, size_t len);
 
diff --git a/src/kiss.c b/src/kiss.c
index 0d700c3..550331d 100644
--- a/src/kiss.c
+++ b/src/kiss.c
@@ -19,12 +19,14 @@ enum kiss_flags {
 struct _patty_kiss_tnc {
     const char * device;
 
-    int    fd;
-    int    dropped;
-    void * frame;
-    void * buf;
-    size_t bufsz;
-    size_t buflen;
+    int fd;
+
+    void *frame,
+         *buf;
+
+    size_t bufsz,
+           buflen,
+           dropped;
 };
 
 patty_kiss_tnc *patty_kiss_tnc_open(const char *device, size_t bufsz) {
@@ -46,10 +48,10 @@ patty_kiss_tnc *patty_kiss_tnc_open(const char *device, size_t bufsz) {
         goto error_open;
     }
 
-    tnc->dropped = 0;
     tnc->device  = device;
     tnc->bufsz   = bufsz;
     tnc->buflen  = 0;
+    tnc->dropped = 0;
 
     return tnc;
 
@@ -201,7 +203,7 @@ void patty_kiss_tnc_drop(patty_kiss_tnc *tnc) {
     tnc->dropped++;
 }
 
-int patty_kiss_tnc_dropped(patty_kiss_tnc *tnc) {
+size_t patty_kiss_tnc_dropped(patty_kiss_tnc *tnc) {
     return tnc->dropped;
 }