--- apache-mod_proxy_html-3.0.1/mod_proxy_html.c~	2013-05-05 21:50:26.368139682 +0200
+++ apache-mod_proxy_html-3.0.1/mod_proxy_html.c	2013-05-05 21:50:59.228139444 +0200
@@ -782,7 +782,7 @@
     proxy_html_conf* cfg
         = ap_get_module_config(f->r->per_dir_config, &proxy_html_module);
     if ( cfg->verbose ) {
-      ap_log_rerror(APLOG_MARK, APLOG_INFO, 0, f->r, errmsg) ;
+      ap_log_rerror(APLOG_MARK, APLOG_INFO, 0, f->r, "%s", errmsg) ;
     }
 #endif
     ap_remove_output_filter(f) ;