diff --git a/bin/dash2can.c b/bin/dash2can.c
index 26b267c..6ba6a06 100644
--- a/bin/dash2can.c
+++ b/bin/dash2can.c
@@ -81,7 +81,7 @@ int hexagram_main_dash2can(int argc, char **argv) {
 
         if ((len = recv(sock, &packet, sizeof(packet), 0)) < 0) {
             goto error_io;
-        } else if (len < (ssize_t)sizeof(packet)) {
+        } else if (len != (ssize_t)sizeof(packet)) {
             continue;
         }