diff --git a/src/effects/Compressor.cpp b/src/effects/Compressor.cpp
index 1c637daa8..8b27924a3 100644
--- a/src/effects/Compressor.cpp
+++ b/src/effects/Compressor.cpp
@@ -29,6 +29,7 @@
 #include <math.h>
 
 #include <wx/brush.h>
+#include <wx/dcclient.h>
 #include <wx/dcmemory.h>
 #include <wx/intl.h>
 #include <wx/msgdlg.h>