diff --git a/ChangeLog.txt b/ChangeLog.txt
index 9f6fd0f660..e5981a7de6 100644
--- a/ChangeLog.txt
+++ b/ChangeLog.txt
@@ -7,6 +7,10 @@
    Entries may not always be in chronological/commit order.
    See license at the end of file. */
 
+2025-12-10 22:22 UTC+0100 Przemyslaw Czerpak (druzus/at/poczta.onet.pl)
+  * src/rtl/cdpapi.c
+    ! added missing variable initialization
+
 2025-12-10 17:00 UTC+0100 Przemyslaw Czerpak (druzus/at/poczta.onet.pl)
   * contrib/hbssl/d2i.c
     * use HB_SSL_CONST instead of explicit const for some ancient (<0.9.8)
diff --git a/src/rtl/cdpapi.c b/src/rtl/cdpapi.c
index 97a43eba68..16f5f18d86 100644
--- a/src/rtl/cdpapi.c
+++ b/src/rtl/cdpapi.c
@@ -268,7 +268,7 @@ void hb_cdpBuildTransTable( PHB_UNITABLE uniTable )
    if( uniTable->uniTrans == NULL )
    {
       HB_UCHAR * uniTrans;
-      HB_WCHAR wcMax;
+      HB_WCHAR wcMax = 0;
       HB_BOOL fLatinFallback = HB_TRUE;
       int i;