diff --git a/src/ui/graph/node.rs b/src/ui/graph/node.rs
index 54d71c6..a3f1afb 100644
--- a/src/ui/graph/node.rs
+++ b/src/ui/graph/node.rs
@@ -85,6 +85,9 @@ mod imp {
         fn constructed(&self) {
             self.parent_constructed();
 
+            // Force left-to-right direction for the ports grid to avoid messed up UI when defaulting to right-to-left
+            self.port_grid.set_direction(gtk::TextDirection::Ltr);
+
             // Display a grab cursor when the mouse is over the label so the user knows the node can be dragged.
             self.node_name
                 .set_cursor(gtk::gdk::Cursor::from_name("grab", None).as_ref());
diff --git a/src/ui/graph/port.rs b/src/ui/graph/port.rs
index b79e4d7..13a5d9b 100644
--- a/src/ui/graph/port.rs
+++ b/src/ui/graph/port.rs
@@ -101,6 +101,9 @@ mod imp {
         fn constructed(&self) {
             self.parent_constructed();
 
+            // Force left-to-right direction for the ports grid to avoid messed up UI when defaulting to right-to-left
+            self.obj().set_direction(gtk::TextDirection::Ltr);
+
             // Display a grab cursor when the mouse is over the port so the user knows it can be dragged to another port.
             self.obj()
                 .set_cursor(gtk::gdk::Cursor::from_name("grab", None).as_ref());