diff --git a/gcc/java/ChangeLog b/gcc/java/ChangeLog
index 062c368bea4..bb360c0afc0 100644
--- a/gcc/java/ChangeLog
+++ b/gcc/java/ChangeLog
@@ -1,3 +1,7 @@
+2003-01-31  Mark Wielaard  <mark@klomp.org>
+
+	* gjavah.c (throwable_p): Allocate 1 more byte for string.
+
 2003-01-31  Nathan Sidwell  <nathan@codesourcery.com>
 
 	* class.c (make_class): Use BINFO_ELTS.
diff --git a/gcc/java/gjavah.c b/gcc/java/gjavah.c
index 7c7e3685d5d..42f33276edc 100644
--- a/gcc/java/gjavah.c
+++ b/gcc/java/gjavah.c
@@ -1119,7 +1119,7 @@ throwable_p (const unsigned char *clname)
 
   for (length = 0; clname[length] != ';' && clname[length] != '\0'; ++length)
     ;
-  current = ALLOC (length);
+  current = ALLOC (length + 1);
   for (i = 0; i < length; ++i)
     current[i] = clname[i] == '/' ? '.' : clname[i];
   current[length] = '\0';