diff --git a/at/fos/ermodel/gui/B3.java b/at/fos/ermodel/gui/B3.java
index c54c6f9..3f38bf8 100644
--- a/at/fos/ermodel/gui/B3.java
+++ b/at/fos/ermodel/gui/B3.java
@@ -1366,6 +1366,11 @@ public class B3
 
                 for (Graphic_Main_Elem gme : readModel) {
                     gme.setGc(this.currentTab.canvas.getGraphicsContext2D());
+                    if(gme instanceof Graphic_ATTR_Elem) {
+                        if(gme.name.equalsIgnoreCase("id")) {
+                            ((Graphic_ATTR_Elem) gme).datatype = "int";
+                        }
+                    }
 
                     gme.isVisible = true;
                 }
diff --git a/at/fos/ermodel/gui/Graphic_ATTR_Elem.java b/at/fos/ermodel/gui/Graphic_ATTR_Elem.java
index 0b5e9a7..43d6a94 100644
--- a/at/fos/ermodel/gui/Graphic_ATTR_Elem.java
+++ b/at/fos/ermodel/gui/Graphic_ATTR_Elem.java
@@ -43,6 +43,9 @@ public abstract class Graphic_ATTR_Elem
         }
         this.columnPostfix = "";
         this.datatype = "varchar(100)";
+        if(this.name.equalsIgnoreCase("id")) {
+            this.datatype = "int";
+        }
         this.isAutoincrement = false;
 
         this.isKey = this instanceof Graphic_ATTR_Key_Elem || this instanceof Graphic_ATTR_Weak_Key_Elem;