4 files changed, 8 insertions, 0 deletions
diff --git a/src/opendeco-conf.c b/src/opendeco-conf.c
index 41922df..e044c90 100644
--- a/src/opendeco-conf.c
+++ b/src/opendeco-conf.c
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: MIT-0 */
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <wchar.h>
diff --git a/src/opendeco-conf.h b/src/opendeco-conf.h
index 48b1ad0..8845409 100644
--- a/src/opendeco-conf.h
+++ b/src/opendeco-conf.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: MIT-0 */
+
 #ifndef OPENDECOCONF_H
 #define OPENDECOCONF_H
 
diff --git a/test/deco_test.c b/test/deco_test.c
index f87cffc..b405970 100644
--- a/test/deco_test.c
+++ b/test/deco_test.c
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: MIT-0 */
+
 #include "minunit/minunit.h"
 
 #include "src/deco.h"
diff --git a/test/opendeco_test.c b/test/opendeco_test.c
index 75605ee..4946de3 100644
--- a/test/opendeco_test.c
+++ b/test/opendeco_test.c
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: MIT-0 */
+
 #include "minunit/minunit.h"
 
 MU_TEST_SUITE(testsuite_deco);