diff --git a/libutils/SharedBuffer.cpp b/libutils/SharedBuffer.cpp
index a8a9fb4..6c8c7d3 100644
--- a/libutils/SharedBuffer.cpp
+++ b/libutils/SharedBuffer.cpp
@@ -112,8 +112,9 @@
 int32_t SharedBuffer::release(uint32_t flags) const
 {
     int32_t prev = 1;
-    if (onlyOwner() || ((prev = mRefs.fetch_sub(1, std::memory_order_release) == 1)
-            && (atomic_thread_fence(std::memory_order_acquire), true))) {
+    if (onlyOwner()
+            || (((prev = mRefs.fetch_sub(1, std::memory_order_release)) == 1)
+                && (atomic_thread_fence(std::memory_order_acquire), true))) {
         mRefs.store(0, std::memory_order_relaxed);
         if ((flags & eKeepStorage) == 0) {
             free(const_cast<SharedBuffer*>(this));