diff --git a/configure b/configure
index fadafd39..94385717 100755
--- a/configure
+++ b/configure
@@ -4006,7 +4006,7 @@ _ACEOF
 fi
 done
 
-VERSION=04.00.02
+VERSION=04.00.03
 
 
 
diff --git a/configure.in b/configure.in
index 7de771a8..ac8f2b65 100644
--- a/configure.in
+++ b/configure.in
@@ -65,7 +65,7 @@ else
 fi
 
 AC_CHECK_FUNCS(setenv unsetenv glob mbstowcs setlocale initgroups)
-VERSION=04.00.02
+VERSION=04.00.03
 AC_SUBST(VERSION)
 AC_SUBST(PERL)
 AC_SUBST(PERLARTIFACTS)
diff --git a/src/protos.h b/src/protos.h
index 09038a3a..e97d299e 100644
--- a/src/protos.h
+++ b/src/protos.h
@@ -22,6 +22,7 @@
 #define isempty(c) (isspace(c) || ((c) == '\\'))
 
 #include "dynbuf.h"
+#include <ctype.h>
 
 int CallUserFunc (char const *name, int nargs, ParsePtr p);
 int DoFset (ParsePtr p);
diff --git a/tests/test.cmp b/tests/test.cmp
index f1ca749d..abfad8e8 100644
--- a/tests/test.cmp
+++ b/tests/test.cmp
@@ -1024,7 +1024,7 @@ set a057 value("a05"+"6")
 "a05" + "6" => "a056"
 value("a056") => "SDFJHSDF KSJDFH KJSDFH KSJDFH"
 set a058 version()
-version() => "04.00.02"
+version() => "04.00.03"
 set a059 wkday(today())
 today() => 1991-02-16
 wkday(1991-02-16) => "Saturday"
@@ -2594,7 +2594,7 @@ a086  4
 a109  2012-01-01
 a128  2018-02-03@16:45
 a039  "February"
-a058  "04.00.02"
+a058  "04.00.03"
 a077  "1992 92
 "
 a096  -4