diff --git a/libs/ardour/audiosource.cc b/libs/ardour/audiosource.cc
index 737a206c74..3c6d4f81b8 100644
--- a/libs/ardour/audiosource.cc
+++ b/libs/ardour/audiosource.cc
@@ -182,7 +182,7 @@ AudioSource::touch_peakfile ()
 	struct utimbuf tbuf;
 
 	tbuf.actime = statbuf.st_atime;
-	tbuf.modtime = time ((time_t) 0);
+	tbuf.modtime = time ((time_t*) 0);
 
 	utime (peakpath.c_str(), &tbuf);
 }