diff --git a/src/ngscopeclient/FontManager.h b/src/ngscopeclient/FontManager.h
index a7fe450c3..161dac1c0 100644
--- a/src/ngscopeclient/FontManager.h
+++ b/src/ngscopeclient/FontManager.h
@@ -35,6 +35,8 @@
 #ifndef FontManager_h
 #define FontManager_h
 
+#include <map>
+
 class PreferenceCategory;
 
 //pair of (font file, size)
diff --git a/src/ngscopeclient/Preference.h b/src/ngscopeclient/Preference.h
index ae7a69ccd..af9eb1bbe 100644
--- a/src/ngscopeclient/Preference.h
+++ b/src/ngscopeclient/Preference.h
@@ -36,12 +36,14 @@
 #ifndef Preference_h
 #define Preference_h
 
+#include <algorithm>
 #include <string>
 #include <type_traits>
 #include <utility>
 #include <type_traits>
 #include <cstdint>
 #include <set>
+#include <vector>
 
 #include <imgui.h>