diff --git a/CanUds.c b/CanUds.c
index b1412d0..6246198 100644
--- a/CanUds.c
+++ b/CanUds.c
@@ -1854,7 +1854,7 @@ void CanUdsInput_Set_Model(tCanUds *env) {
     }
 
     countQueue_space = osMessageQueueGetSpace(env->queue_input_get_Status_IO);
-    if (!countQueue_space) {
+    if (countQueue_space) {
         status = osMessageQueuePut(env->queue_input_get_Status_IO, &model_Status_IO_For_Model_input, 0, 0);
     }