--- /dev/null
+diff -urN rrdtool-1.0.50.org/contrib/php4/rrdtool.c rrdtool-1.0.50/contrib/php4/rrdtool.c
+--- rrdtool-1.0.50.org/contrib/php4/rrdtool.c 2003-06-30 10:47:13.000000000 +0200
++++ rrdtool-1.0.50/contrib/php4/rrdtool.c 2005-10-14 22:06:35.000000000 +0200
+@@ -274,6 +274,7 @@
+ zval *p_calcpr;
+ HashTable *args_arr;
+ int i, xsize, ysize, argc;
++ double ymin, ymax;
+ char **argv, **calcpr;
+
+
+@@ -321,7 +322,7 @@
+ }
+
+ optind = 0; opterr = 0;
+- if ( rrd_graph(argc-1, &argv[1], &calcpr, &xsize, &ysize) != -1 )
++ if ( rrd_graph(argc-1, &argv[1], &calcpr, &xsize, &ysize, NULL, &ymin, &ymax) != -1 )
+ {
+ array_init(return_value);
+ add_assoc_long(return_value, "xsize", xsize);