diff --git a/interfaces/inner_api/hdi/base/hdi_smq.h b/interfaces/inner_api/hdi/base/hdi_smq.h
index e10e62e6c8574bfa14cd72c3088d258a7ed9291c..a5147e1cc7535d22d18a42553124ad33d307b795 100644
--- a/interfaces/inner_api/hdi/base/hdi_smq.h
+++ b/interfaces/inner_api/hdi/base/hdi_smq.h
@@ -537,7 +537,7 @@ template <typename T>
 int SharedMemQueue<T>::WriteNonBlocking(const T *data, size_t count)
 {
     auto avalidWrite = GetAvalidWriteSize();
-    if (count >= avalidWrite && meta_->GetType() == SmqType::SYNCED_SMQ) {
+    if (count > avalidWrite && meta_->GetType() == SmqType::SYNCED_SMQ) {
         // synced smq can not overflow write
         return -E2BIG;
     }