diff --git a/debug/debugFlags.c b/debug/debugFlags.c
index 175a0322..45900fc6 100644
--- a/debug/debugFlags.c
+++ b/debug/debugFlags.c
@@ -19,7 +19,7 @@
  */
 
 #ifndef lint
-static char rcsid[] __attribute__ ((unused)) = "$Header: /usr/cvsroot/magic-8.0/debug/debugFlags.c,v 1.1.1.1 2008/02/03 20:43:50 tim Exp $";
+static const char rcsid[] __attribute__ ((unused)) = "$Header: /usr/cvsroot/magic-8.0/debug/debugFlags.c,v 1.1.1.1 2008/02/03 20:43:50 tim Exp $";
 #endif  /* not lint */
 
 #include <stdio.h>
diff --git a/debug/hist.c b/debug/hist.c
index 9cf07910..589dbe7b 100644
--- a/debug/hist.c
+++ b/debug/hist.c
@@ -16,7 +16,7 @@
  */
 
 #ifndef lint
-static char rcsid[] __attribute__ ((unused)) = "$Header: /usr/cvsroot/magic-8.0/debug/hist.c,v 1.1.1.1 2008/02/03 20:43:50 tim Exp $";
+static const char rcsid[] __attribute__ ((unused)) = "$Header: /usr/cvsroot/magic-8.0/debug/hist.c,v 1.1.1.1 2008/02/03 20:43:50 tim Exp $";
 #endif  /* not lint */
 
 #include <stdio.h>