diff --git a/testsuites/sptests/ChangeLog b/testsuites/sptests/ChangeLog
index 8aa77e1390..550db6ae19 100644
--- a/testsuites/sptests/ChangeLog
+++ b/testsuites/sptests/ChangeLog
@@ -1,3 +1,7 @@
+2010-01-20	Joel Sherrill <joel.sherrill@oarcorp.com>
+
+	* sp43/init.c: Fix warning.
+
 2009-12-15	Glenn Humphrey <glenn.humphrey@OARcorp.com>
 
 	* sp69/init.c: Fixed warnings.
diff --git a/testsuites/sptests/sp43/init.c b/testsuites/sptests/sp43/init.c
index 086bb503c6..5ff1a84259 100644
--- a/testsuites/sptests/sp43/init.c
+++ b/testsuites/sptests/sp43/init.c
@@ -86,8 +86,8 @@ void change_name(
   else {
     printf( "(" );
     for (c=newName ; *c ; ) {
-       if (isprint(*c)) printf( "%c", *c );
-       else             printf( "0x%02x", *c );
+       if (isprint((int)*c)) printf( "%c", *c );
+       else                  printf( "0x%02x", *c );
        c++;
        if ( *c )
          printf( "-" );