diff --git a/build/scheme.tcl b/build/scheme.tcl
index e6f4721e..d38e49a0 100644
--- a/build/scheme.tcl
+++ b/build/scheme.tcl
@@ -13,7 +13,7 @@ respond "==>" "(quit)"
 respond "*" ":scheme;scheme\r"
 respond "==>" {(schload "scheme; rabbit")}
 respond "==>" {(comfile "scheme; rabbit")}
-expect -timeout 1000 "COMPILE TIME:"
+expect -timeout 3600 "COMPILE TIME:"
 respond "==>" "(quit)"
 respond "*" ":complr\r"
 respond "_" "scheme;_rabbit lisp\r"