diff --git a/lib/roken/Makefile.am b/lib/roken/Makefile.am
index 426cc71da..547d87071 100644
--- a/lib/roken/Makefile.am
+++ b/lib/roken/Makefile.am
@@ -11,7 +11,7 @@ lib_LIBRARIES = libroken.a
 noinst_PROGRAMS = make-roken
 
 libroken_a_SOURCES = \
-	base64.c concat.c get_window_size.c getarg.c inaddr2str.o \
+	base64.c concat.c get_window_size.c getarg.c inaddr2str.c \
 	k_getpwnam.c	\
 	k_getpwuid.c mini_inetd.c parse_time.c parse_units.c signal.c	\
 	snprintf.c strcasecmp.c verify.c warnerr.c