diff --git a/dlls/setupapi/queue.c b/dlls/setupapi/queue.c
index d57f8e1b310..d2e2a1d9d5e 100644
--- a/dlls/setupapi/queue.c
+++ b/dlls/setupapi/queue.c
@@ -126,11 +126,9 @@ static void concat_W( WCHAR *buffer, const WCHAR *src1, const WCHAR *src2, const
         if (buffer[-1] != '\\') *buffer++ = '\\';
         if (src3) while (*src3 == '\\') src3++;
     }
+
     if (src3)
-    {
         strcpyW( buffer, src3 );
-        buffer += strlenW(buffer );
-    }
 }