diff --git a/src/graphviz.rs b/src/graphviz.rs
index 9c4b603..650ba9a 100644
--- a/src/graphviz.rs
+++ b/src/graphviz.rs
@@ -149,7 +149,7 @@ const INITIAL_COLOR: usize = 2;
 /// Returns an html label for the node with the function name and ports for each argumetn
 fn html_label(label: &str, n_args: usize) -> String {
     format!(
-        "<<TABLE BGCOLOR=\"white\" CELLBORDER=\"0\" CELLSPACING=\"0\" CELLPADDING=\"0\" style=\"rounded\"><tr><td CELLPADDING=\"4\" WIDTH=\"30\" HEIGHT=\"30\"{}>{}</td></tr>{}</TABLE>>",
+        "<<TABLE BGCOLOR=\"white\" CELLBORDER=\"0\" CELLSPACING=\"0\" CELLPADDING=\"0\" style=\"rounded\"><tr><td BALIGN="left" CELLPADDING=\"4\" WIDTH=\"30\" HEIGHT=\"30\"{}>{}</td></tr>{}</TABLE>>",
         (if n_args  == 0 {"".to_string()} else {format!(" colspan=\"{}\"", n_args)}),
         Escape(label),
         (if n_args == 0 {