Index: funcs/func_timeout.c
===================================================================
--- funcs/func_timeout.c	(revision 166053)
+++ funcs/func_timeout.c	(working copy)
@@ -83,11 +83,12 @@
 static int timeout_write(struct ast_channel *chan, const char *cmd, char *data,
 			 const char *value)
 {
-	double x;
+	double x = 0.0;
 	long sec;
 	char timestr[64];
 	struct ast_tm myt;
 	struct timeval when;
+	int res;
 
 	if (!chan)
 		return -1;
@@ -100,11 +101,15 @@
 	if (!value)
 		return -1;
 
-	if ((sscanf(value, "%ld%lf", &sec, &x) == 0) || sec < 0)
+	if ((res = sscanf(value, "%ld%lf", &sec, &x) == 0) || sec < 0)
 		when.tv_sec = 0;
 	else {
 		when.tv_sec = sec;
-		when.tv_usec = x * 1000000;
+		if (res == 1) {
+			when.tv_usec = 0;
+		} else {
+			when.tv_usec = x * 1000000;
+		}
 	}
 
 	switch (*data) {