diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 19bfda90bf71dccd5640c787661e03d5f83d9aff..0ab12d16fb0a88563dfd9e42bd9d27b70ff09030 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -152,6 +152,7 @@ add_executable(meshalyzer
     Model.cc
     ModInt.C
     Myslider.cc
+    MyScroll.cc
     MyValueInput.cc
     Orienter.cc
     PlotWin.cc