diff --git a/src/ui/MarketPositionPanel.cpp b/src/ui/MarketPositionPanel.cpp
index 62495cf..98684cd 100644
--- a/src/ui/MarketPositionPanel.cpp
+++ b/src/ui/MarketPositionPanel.cpp
@@ -2,6 +2,7 @@
 
 #include <memory>
 
+#include <wx/string.h>
 #include <wx/wx.h>
 
 #include "api/types.hpp"
diff --git a/src/ui/StaticCurrency.cpp b/src/ui/StaticCurrency.cpp
index 9183c1e..09d69fe 100644
--- a/src/ui/StaticCurrency.cpp
+++ b/src/ui/StaticCurrency.cpp
@@ -1,3 +1,5 @@
+#include <wx/string.h>
+
 #include "ui/StaticCurrency.hpp"
 
 namespace kdeck