1 files changed, 2 insertions, 1 deletions
diff --git a/cpp/src/qpid/sys/posix/LockFile.cpp b/cpp/src/qpid/sys/posix/LockFile.cpp
index 9ef9a205b7..4900252984 100755
--- a/cpp/src/qpid/sys/posix/LockFile.cpp
+++ b/cpp/src/qpid/sys/posix/LockFile.cpp
@@ -56,7 +56,8 @@ LockFile::~LockFile() {
     if (impl) {
         int f = impl->fd;
         if (f >= 0) {
-            (void) ::lockf(f, F_ULOCK, 0); // Suppress warnings about ignoring return value.
+            int unused_ret;
+            unused_ret = ::lockf(f, F_ULOCK, 0); // Suppress warnings about ignoring return value.
             ::close(f);
             impl->fd = -1;
         }