diff --git a/cobc/Makefile.am b/cobc/Makefile.am
index 444987fc6..a96b7c3ab 100644
--- a/cobc/Makefile.am
+++ b/cobc/Makefile.am
@@ -23,7 +23,7 @@ bin_PROGRAMS = cobc
 cobc_SOURCES = cobc.c cobc.h ppparse.y pplex.c parser.y scanner.c config.c \
 	reserved.c error.c tree.c tree.h field.c typeck.c codegen.c help.c \
 	config.def flag.def warning.def codeoptim.def ppparse.def \
-	codeoptim.c replace.c 
+	codeoptim.c replace.h replace.c 
 
 #cobc_SOURCES = cobc.c cobc.h ppparse.y pplex.l parser.y scanner.l config.c