diff --git a/app/cmTakeSeqBldr.c b/app/cmTakeSeqBldr.c
index 1b000d3..4da3939 100644
--- a/app/cmTakeSeqBldr.c
+++ b/app/cmTakeSeqBldr.c
@@ -14,6 +14,7 @@
 #include "cmAudioFile.h"
 #include "cmTimeLine.h"
 #include "cmSymTbl.h"
+#include "cmFile.h"
 #include "cmScore.h"
 #include "cmTakeSeqBldr.h"