diff --git a/Makefile.in b/Makefile.in
index 795419fc769f35b01dae982e5d4babaa41f01f72..2384fa99d22ff3ed7969e44960cf68735dc49d3a 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -71,7 +71,7 @@ nettle_SOURCES = aes-decrypt-internal.c aes-decrypt.c \
 		 dsa.c dsa-sign.c dsa-verify.c dsa-keygen.c \
 		 sexp2dsa.c \
 		 pgp-encode.c rsa2openpgp.c \
-		 der-iterator.c \
+		 der-iterator.c der2rsa.c \
 		 buffer.c buffer-init.c realloc.c \
 		 nettle-internal.c