diff --git a/profiler/src/main.cpp b/profiler/src/main.cpp
index 158a649d..5669bf31 100644
--- a/profiler/src/main.cpp
+++ b/profiler/src/main.cpp
@@ -381,6 +381,7 @@ int main( int argc, char** argv )
             else
             {
                 fprintf( stderr, "Bad parameter: %s", argv[1] );
+                updateThread.join();
                 exit( 1 );
             }
             argc -= 2;