1 files changed, 1 insertions, 1 deletions
diff --git a/framework/inc/helper/shareablemutex.hxx b/framework/inc/helper/shareablemutex.hxx
index f28d524c7f07..6607e0f44b20 100644
--- a/framework/inc/helper/shareablemutex.hxx
+++ b/framework/inc/helper/shareablemutex.hxx
@@ -70,7 +70,7 @@ class FWI_DLLPUBLIC ShareableMutex
 class ShareGuard
 {
     public:
-        ShareGuard( ShareableMutex& rShareMutex ) :
+        explicit ShareGuard( ShareableMutex& rShareMutex ) :
             m_rShareMutex( rShareMutex )
         {
             m_rShareMutex.acquire();