diff --git a/src/effects/NoiseReduction.cpp b/src/effects/NoiseReduction.cpp
index e8df7fa27..ed10062f4 100644
--- a/src/effects/NoiseReduction.cpp
+++ b/src/effects/NoiseReduction.cpp
@@ -55,6 +55,7 @@
 #include <wx/radiobut.h>
 #include <wx/slider.h>
 #include <wx/valtext.h>
+#include <wx/textctrl.h>
 
 typedef std::vector<float> FloatVector;