diff --git a/src/config.c b/src/config.c
index 5a73bd1..db6996c 100644
--- a/src/config.c
+++ b/src/config.c
@@ -52,14 +52,18 @@ int init_config()
 char* get_config_string(char *xpath)
 {
 	xmlXPathObjectPtr xpathObj;
+	char *content;
 
 	xpathObj = xmlXPathEval(xpath, xpathCtx);
 	if (xpathObj == NULL || xpathObj->nodesetval == NULL || \
 			xpathObj->nodesetval->nodeNr == 0) {
+		if (xpathObj) xmlXPathFreeObject(xpathObj);
 		return NULL;
 	}
 
-	return xpathObj->nodesetval->nodeTab[0]->children->content;
+	content = xpathObj->nodesetval->nodeTab[0]->children->content;
+	xmlXPathFreeObject(xpathObj);
+	return content;
 }
 
 LassoServer* get_config_server()