diff --git a/main/applications/kchmviewer b/main/applications/kchmviewer
index 577d00e6e..51424b203 160000
--- a/main/applications/kchmviewer
+++ b/main/applications/kchmviewer
@@ -1 +1 @@
-Subproject commit 577d00e6e064dc5d42cca6344f9fbcd83c4495c2
+Subproject commit 51424b2031acb8c20ffafef1d1e26960d7243a9a