diff --git a/tests/meson.build b/tests/meson.build
index 21c443d..9efc7ae 100644
--- a/tests/meson.build
+++ b/tests/meson.build
@@ -22,6 +22,7 @@
 sources = [
     'ir-tests.cpp',
     'test-utils.cpp',
+    'base64_test.cpp',
 ]
 
 test_include_dirs = ['.', '..']