diff --git a/gtm b/gtm
index 0d1056c..36cd9e6 100755
--- a/gtm
+++ b/gtm
@@ -222,13 +222,13 @@ def main(stdscr, filename):
 
 if __name__ == "__main__":
     if len(sys.argv) == 2:
-        if sys.argv[1] == "-v":
+        if sys.argv[1] == "-v" or sys.argv[1] == "--version":
             print(f"gtm version {VERSION}")
             sys.exit(0)
         filename = sys.argv[1]
         curses.wrapper(main, filename)
     else:
         print("Usage: gtm filename")
-        print("       gtm -v (show version)")
+        print("       gtm -v, gtm --version (show version)")
         sys.exit(1)