diff --git a/DS_Map/Main Window.cs b/DS_Map/Main Window.cs
index 1ed9b2b..90e0556 100644
--- a/DS_Map/Main Window.cs	
+++ b/DS_Map/Main Window.cs	
@@ -5908,7 +5908,9 @@ namespace DSPRE {
                 owYMapUpDown.Value = selectedOw.yMapPosition;
                 owXMatrixUpDown.Value = selectedOw.xMatrixPosition;
                 owYMatrixUpDown.Value = selectedOw.yMatrixPosition;
-                owZPositionUpDown.Value = selectedOw.zPosition;
+
+                int zFld = (selectedOw.zPosition >> 4) /*convert from overworld units to fx*/;
+                owZPositionUpDown.Value = zFld / 0x1000; //then convert from fixed point to decimal
 
                 /*ID, Flag and Script number controls */
                 owIDNumericUpDown.Value = selectedOw.owID;
@@ -6095,7 +6097,8 @@ namespace DSPRE {
                 return;
             }
 
-            currentEvFile.overworlds[selection].zPosition = (short)owZPositionUpDown.Value;
+            int zFld = (short)owZPositionUpDown.Value >> 4; //decimal to overworld units
+            currentEvFile.overworlds[selection].zPosition = zFld * 0x1000; //overworld units to fixed point
         }
         private void owXMatrixUpDown_ValueChanged(object sender, EventArgs e) {
             int selection = overworldsListBox.SelectedIndex;
diff --git a/DS_Map/ROMFiles/EventFile.cs b/DS_Map/ROMFiles/EventFile.cs
index c3f3ed2..8aed995 100644
--- a/DS_Map/ROMFiles/EventFile.cs
+++ b/DS_Map/ROMFiles/EventFile.cs
@@ -119,7 +119,7 @@ namespace DSPRE.ROMFiles {
 
         public short xMapPosition;
         public short yMapPosition;
-        public short zPosition;
+        public int zPosition; //fixed point!
         public ushort xMatrixPosition;
         public ushort yMatrixPosition;
         #endregion
@@ -292,8 +292,7 @@ namespace DSPRE.ROMFiles {
                 xMatrixPosition = (ushort)(xPosition / MapFile.mapSize);
                 yMatrixPosition = (ushort)(yPosition / MapFile.mapSize);
 
-                zPosition = reader.ReadInt16();
-                unknown3 = reader.ReadUInt16();
+                zPosition = reader.ReadInt32();
             }
         }
         public Overworld(int owID, int xMatrixPosition, int yMatrixPosition) {