diff --git a/src/com/jpexs/decompiler/flash/gui/SelectLanguageDialog.java b/src/com/jpexs/decompiler/flash/gui/SelectLanguageDialog.java
index 76b150726..b9966abee 100644
--- a/src/com/jpexs/decompiler/flash/gui/SelectLanguageDialog.java
+++ b/src/com/jpexs/decompiler/flash/gui/SelectLanguageDialog.java
@@ -41,7 +41,7 @@ public class SelectLanguageDialog extends AppDialog {
 
     public String languageCode = null;
 
-    protected static final String[] languages = new String[]{"en", "ca", "cs", "zh", "de", "es", "fr", "hu", "it", "ja", "nl", "pl", "pt", "pt-BR", "ru", "sl", "sv", "tr", "uk"};
+    protected static final String[] languages = new String[]{"en", "ca", "cs", "zh", "de", "es", "fr", "hu", "it", "ja", "nl", "pl", "pt", "pt-BR", "ru", "sk", "sl", "sv", "tr", "uk"};
 
     public SelectLanguageDialog(Window owner) {
         super(owner);