2 files changed, 4 insertions, 2 deletions

diff --git a/src/lang.c b/src/lang.c
index 3492cc9b..7b00f172 100644
--- a/src/lang.c
+++ b/src/lang.c
@@ -88,6 +88,7 @@ static void load_Lang_(iLang *d, const char *id) {
     iUnused(id);
     const iBlock *data = equal_CStr(id, "fi")      ? &blobFi_Embedded
                        : equal_CStr(id, "fr")      ? &blobFr_Embedded
+                       : equal_CStr(id, "cs")      ? &blobCs_Embedded                         
                        : equal_CStr(id, "ru")      ? &blobRu_Embedded
                        : equal_CStr(id, "eo")      ? &blobEo_Embedded
                        : equal_CStr(id, "es")      ? &blobEs_Embedded
@@ -112,7 +113,7 @@ static void load_Lang_(iLang *d, const char *id) {
     else if (data == &blobIsv_Embedded) {
         d->pluralType = oneTwoMany_PluralType;
     }
-    else if (data == &blobSk_Embedded) {
+    else if (data == &blobCs_Embedded || data == &blobSk_Embedded) {
         d->pluralType = oneFewMany_PluralType;
     }
     else if (data == &blobPl_Embedded) {
diff --git a/src/ui/util.c b/src/ui/util.c
index 5a58551b..760bf48f 100644
--- a/src/ui/util.c
+++ b/src/ui/util.c
@@ -2199,7 +2199,8 @@ iWidget *makeDialog_Widget(const char *id,
 
 iWidget *makePreferences_Widget(void) {
     /* Common items. */
-    const iMenuItem langItems[] = { { "${lang.de} - de", 0, 0, "uilang id:de" },
+    const iMenuItem langItems[] = { { "${lang.cs} - cs", 0, 0, "uilang id:cs" },
+                                    { "${lang.de} - de", 0, 0, "uilang id:de" },
                                     { "${lang.en} - en", 0, 0, "uilang id:en" },
                                     { "${lang.es} - es", 0, 0, "uilang id:es" },
                                     { "${lang.es.mx} - es", 0, 0, "uilang id:es_MX" },