diff --git a/src/main.c b/src/main.c
index 91a0297..7d2c9c4 100644
--- a/src/main.c
+++ b/src/main.c
@@ -122,18 +122,16 @@ void read_can(Tel *t, int soc) {
 
         if (nbytes != sizeof(struct can_frame)) return;
 
-        if (nbytes > 0) {
 
-                switch (frame.can_id) {
+        switch (frame.can_id) {
 
-                        case 0x382:
-                                if (frame.can_dlc >= 2) {
-                                        t->rpm.data = frame.data[0] | (frame.data[1] << 8);
-                                }
-                                break;
-                        default:
-                                break;
-                }
+                case 0x382:
+                        if (frame.can_dlc >= 2) {
+                                t->rpm.data = frame.data[0] | (frame.data[1] << 8);
+                        }
+                        break;
+                default:
+                        break;
         }
 }