diff --git a/src/main.aap b/src/main.aap
index b36fc36..e6ca2e0 100644
--- a/src/main.aap
+++ b/src/main.aap
@@ -290,6 +290,7 @@
 # Some are optional and depend on configure.
 # "version.c" is missing, it's always compiled (see below).
 Source =
+        blowfish.c
         buffer.c
         charset.c
         diff.c
@@ -328,6 +329,7 @@
         regexp.c
         screen.c
         search.c
+        sha256.c
         spell.c
         syntax.c
         tag.c