diff --git a/core/CMakeLists.txt b/core/CMakeLists.txt
index 1dc75a9..c1a57f9 100644
--- a/core/CMakeLists.txt
+++ b/core/CMakeLists.txt
@@ -81,6 +81,13 @@ set(PROJECT_SOURCES_CPP
     internal.cpp
     misc_util.cpp
     nav_util.cpp
+    mainwindow.ui
+    dialogpreferences.ui
+    formephem.ui
+    formmapcyl.ui
+    formmovie.ui
+    formtoolbox.ui
+    formgeostationary.ui
 )
 
 set(CMAKE_CXX_STANDARD 11)