diff --git a/gui/CMakeLists.txt b/gui/CMakeLists.txt
index 4dc95401e..0fb32182e 100644
--- a/gui/CMakeLists.txt
+++ b/gui/CMakeLists.txt
@@ -101,6 +101,7 @@ if (WIN32 AND NOT CYGWIN)
 set(CHECK_LIBS
   ${CHECK_LIBS}
   shlwapi
+  htmlhelp
 )
 endif (WIN32 AND NOT CYGWIN)