diff --git a/locale/slovak.dtx b/locale/slovak.dtx
index 607e0ce683c03744c888008fd3d1e53854c7529f..bb4da5a62ad649d0488d152f96bbe11e6c40138a 100644
--- a/locale/slovak.dtx
+++ b/locale/slovak.dtx
@@ -415,7 +415,7 @@
   \else
     <<Neznáme oddělenie (\thesis@department)>>%
   \fi}
-\gdef\thesis@czech@declaration{%
+\gdef\thesis@slovak@declaration{%
   \ifx\thesis@department\thesis@departments@kisk
     Vyhlasujem, že som predkladanú prácu spracoval%
     \thesis@slovak@gender@koncovka\ samostatne~a pouĹľil%