diff --git a/funcs/fimg-png.c b/funcs/fimg-png.c
index 4de9cadf..0ff15d02 100644
--- a/funcs/fimg-png.c
+++ b/funcs/fimg-png.c
@@ -11,6 +11,8 @@
 
 #include "../floatimg.h"
 
+extern int		verbosity;
+
 /* --------------------------------------------------------------------- */
 static char *pngerr2str(int code)
 {