diff --git a/src/local-bible-ref-setting-tab.ts b/src/local-bible-ref-setting-tab.ts
index 80745c5..559d3a9 100644
--- a/src/local-bible-ref-setting-tab.ts
+++ b/src/local-bible-ref-setting-tab.ts
@@ -28,6 +28,10 @@ export default class LocalBibleRefSettingTab extends PluginSettingTab {
 		this.plugin = plugin;
 
 		switch (getLanguage()) {
+			case 'cs':
+				this.folderDoesNotExistText = I18N.CS.COMMON.folderDoesNotExist;
+				this.settingsLabels = I18N.CS.SETTINGS;
+				break;
 			case 'de':
 				this.folderDoesNotExistText = I18N.DE.COMMON.folderDoesNotExist;
 				this.settingsLabels = I18N.DE.SETTINGS;
diff --git a/src/passage-reference.ts b/src/passage-reference.ts
index c012256..a68fb9c 100644
--- a/src/passage-reference.ts
+++ b/src/passage-reference.ts
@@ -210,6 +210,8 @@ export default class PassageReference
 
 function getBooksByLanguage(): Book[] {
 	switch (getLanguage()) {
+		case 'cs':
+			return I18N.CS.BOOKS;
 		case 'de':
 			return I18N.DE.BOOKS;
 		case 'ko':
diff --git a/src/passage-suggest.ts b/src/passage-suggest.ts
index 7854ae1..efc9429 100644
--- a/src/passage-suggest.ts
+++ b/src/passage-suggest.ts
@@ -27,6 +27,9 @@ export default class PassageSuggest extends EditorSuggest<PassageSuggestion> {
 		this.settings = settings;
 
 		switch (getLanguage()) {
+			case 'cs':
+				this.settingsNotConfiguredText = I18N.CS.COMMON.settingsNotConfigured;
+				break;
 			case 'de':
 				this.settingsNotConfiguredText = I18N.DE.COMMON.settingsNotConfigured;
 				break;