diff --git a/src/basic/build.c b/src/basic/build.c
index e34d23adeb5..4a15f901d0b 100644
--- a/src/basic/build.c
+++ b/src/basic/build.c
@@ -160,6 +160,12 @@ const char* const systemd_features =
         " -QRENCODE"
 #endif
 
+#if HAVE_TPM2
+        " +TPM2"
+#else
+        " -TPM2"
+#endif
+
         /* compressors */
 
 #if HAVE_BZIP2