diff --git a/src/amath.h b/src/amath.h
index 35af0afc..3f6d7e8d 100644
--- a/src/amath.h
+++ b/src/amath.h
@@ -336,7 +336,7 @@ typedef int bool;
 #define RELDATESTAMP     "(11-01-2021)"
 #define TXTDOSVERSION    "\0$VER: amath 1.90" SPACE RELDATESTAMP SPACE TXTARCH
 #define TXTTITLE         "amath version 1.9.0"
-#define TXTCOPYRIGHT     "(c) 2018 Carsten Sonne Larsen"
+#define TXTCOPYRIGHT     "(c) 2021 Carsten Sonne Larsen"
 #define TXTSTARTMSG      TXTTITLE SPACE TXTCOPYRIGHT
 /******************************************************************************/
 #define TXTVERSMSG       TXTTITLE SPACE RELDATESTAMP SPACE TXTARCH