diff --git a/candump.c b/candump.c
index 6fe30bb..40904cc 100644
--- a/candump.c
+++ b/candump.c
@@ -783,11 +783,11 @@ int main(int argc, char **argv)
 				__u32 frames = obj->dropcnt - obj->last_dropcnt;
 
 				if (silent != SILENT_ON)
-					printf("DROPCOUNT: dropped %d CAN frame%s on '%s' socket (total drops %d)\n",
+					printf("DROPCOUNT: dropped %u CAN frame%s on '%s' socket (total drops %u)\n",
 					       frames, (frames > 1)?"s":"", devname[idx], obj->dropcnt);
 
 				if (log)
-					fprintf(logfile, "DROPCOUNT: dropped %d CAN frame%s on '%s' socket (total drops %d)\n",
+					fprintf(logfile, "DROPCOUNT: dropped %u CAN frame%s on '%s' socket (total drops %u)\n",
 						frames, (frames > 1)?"s":"", devname[idx], obj->dropcnt);
 
 				obj->last_dropcnt = obj->dropcnt;