diff --git a/smime/gui/e-cert-selector.c b/smime/gui/e-cert-selector.c
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/smime/gui/e-cert-selector.h b/smime/gui/e-cert-selector.h
new file mode 100644
index 0000000000..0511cb725e
--- /dev/null
+++ b/smime/gui/e-cert-selector.h
@@ -0,0 +1,2 @@
+#define E_CERT_SELECTOR_SIGNER 0
+