diff --git a/src/avrintel.c b/src/avrintel.c
index 6a58f824..df1ee6b1 100644
--- a/src/avrintel.c
+++ b/src/avrintel.c
@@ -9,11 +9,11 @@
  * Meta-author Stefan Rueger <stefan.rueger@urclocks.com>
  *
  * v 1.3
- * 12.04.2024
+ * 13.04.2024
  *
  */
 
-#include "ac_cfg.h"
+#include <ac_cfg.h>
 
 #include <ctype.h>
 #include <string.h>
diff --git a/src/libavrdude-avrintel.h b/src/libavrdude-avrintel.h
index d37f44c8..95d61279 100644
--- a/src/libavrdude-avrintel.h
+++ b/src/libavrdude-avrintel.h
@@ -12,7 +12,7 @@
  * Meta-author Stefan Rueger <stefan.rueger@urclocks.com>
  *
  * v 1.3
- * 12.04.2024
+ * 13.04.2024
  *
  */