diff --git a/supermin.spec b/supermin.spec
index 948f368..30af5fb 100644
--- a/supermin.spec
+++ b/supermin.spec
@@ -42,6 +42,9 @@ Patch5:        0005-ext2-Don-t-load-whole-files-into-memory-when-copying.patch
 Patch6:        0006-build-include-packagelist-Use-supermin-tmpdir.patch
 Patch7:        0007-Use-var-tmp-instead-of-tmp-if-TMPDIR-is-not-set.patch
 
+# The patches touch src/Makefile.am, so:
+BuildRequires: autoconf, automake
+
 BuildRequires: /usr/bin/pod2man
 BuildRequires: /usr/bin/pod2html
 BuildRequires: rpm