diff --git a/tools/TInspectorAPI/TInspectorAPI_Communicator.cxx b/tools/TInspectorAPI/TInspectorAPI_Communicator.cxx
index 877f6ee86f..77babd24d8 100644
--- a/tools/TInspectorAPI/TInspectorAPI_Communicator.cxx
+++ b/tools/TInspectorAPI/TInspectorAPI_Communicator.cxx
@@ -39,6 +39,9 @@ TInspectorAPI_Communicator* TInspectorAPI_Communicator::LoadPluginLibrary
   TCollection_AsciiString aPluginLibraryName = thePluginName;
 #ifdef _WIN32
   aPluginLibraryName += ".dll";
+#elif __APPLE__
+  aPluginLibraryName.Prepend ("lib");
+  aPluginLibraryName += ".dylib";  
 #else
   aPluginLibraryName.Prepend ("lib");
   aPluginLibraryName += ".so";