diff --git a/src/kiss.c b/src/kiss.c
index 203b725..f39ae94 100644
--- a/src/kiss.c
+++ b/src/kiss.c
@@ -270,7 +270,7 @@ ssize_t patty_kiss_tnc_recv(patty_kiss_tnc *tnc,
     size_t r = 0, /* Number of bytes read */
            w = 0; /* Number of bytes written to buf */
 
-    enum kiss_flags flags = KISS_NONE;
+    int flags = KISS_NONE;
 
     if (tnc->offset == tnc->readlen) {
         errno = 0;
@@ -306,7 +306,7 @@ ssize_t patty_kiss_tnc_recv(patty_kiss_tnc *tnc,
 
         if (!(flags & KISS_FRAME)) {
             if (c == PATTY_KISS_FEND) {
-                flags |= KISS_FRAME;
+                flags = KISS_FRAME;
 
                 continue;
             } else {
@@ -316,9 +316,9 @@ ssize_t patty_kiss_tnc_recv(patty_kiss_tnc *tnc,
             }
         } else {
             if (c == PATTY_KISS_FEND) {
-                if (w > 0) {
-                    flags &= ~KISS_FRAME;
+                flags = KISS_NONE;
 
+                if (w > 0) {
                     goto done;
                 }