diff --git a/drumgizmo/drumgizmoc.cc b/drumgizmo/drumgizmoc.cc
index 0c3e190..91de704 100644
--- a/drumgizmo/drumgizmoc.cc
+++ b/drumgizmo/drumgizmoc.cc
@@ -31,6 +31,7 @@
 
 #include <string.h>
 #include <sstream>
+#include <fstream>
 #include <chrono>
 #include <thread>
 #include <wordexp.h>