diff --git a/src/u_dubproject.pas b/src/u_dubproject.pas
index c8975013..c3b0ef56 100644
--- a/src/u_dubproject.pas
+++ b/src/u_dubproject.pas
@@ -1738,7 +1738,8 @@ end;
 {$REGION Miscellaneous DUB free functions --------------------------------------}
 function sdl2json(const filename: string): TJSONObject;
 const
-  fmt = 'unexpected failure of SDL to JSON convertion'#10'CurrentDirectory = %s'#10'dub process working dir = %s';
+  fmt = 'unexpected failure of SDL to JSON conversion'#10' +
+    'CurrentDirectory = %s'#10'dub process working dir = %s';
 var
   dub: TProcess;
   str: TStringList;