--- Validate.xs.str	2009-04-11 10:43:38.000000000 +0200
+++ Validate.xs	2009-04-11 10:43:49.000000000 +0200
@@ -1023,7 +1023,7 @@
               sv_catpv(buffer, "' does not exist in spec: ");
               sv_catsv(buffer, depend_name);
                 
-              croak(SvPV_nolen(buffer));
+              croak("%s",SvPV_nolen(buffer));
             } 
             /* if we got here, the spec was correct. we just
              * need to issue a regular validation failure