diff --git a/tbsetup/ir/GNUmakefile b/tbsetup/ir/GNUmakefile
index 7c43ce61c446d722e40907006a9d8730d8285553..5e63e595821689625cc7ae838d9237d83e469c3b 100644
--- a/tbsetup/ir/GNUmakefile
+++ b/tbsetup/ir/GNUmakefile
@@ -7,7 +7,7 @@ include ../../GNUmakerules
 #
 # These get installed with .tcl extensions.
 # 
-SCRIPTS		= assign.tcl handle_os.tcl extract_tb.tcl libir.tcl \
+SCRIPTS		= assign.tcl handle_os extract_tb.tcl libir.tcl \
 		  handle_ip.tcl libir.pm
 
 all: