diff --git a/src/common/HexTile.cc b/src/common/HexTile.cc
index 2cd2b5a..f46c209 100644
--- a/src/common/HexTile.cc
+++ b/src/common/HexTile.cc
@@ -6,12 +6,12 @@
 
 /* points of a horizontal hexagon 2.0 units high */
 static const float hex_points[][2] = {
-    {1.1547005383792517, 0.0},
-    {0.577350269189626, 1.0},
-    {-0.5773502691896256, 1.0},
-    {-1.1547005383792517, 0.0},
-    {-0.5773502691896264, -1.0},
-    {0.577350269189626, -1.0}
+    {HEX_WIDTH_TO_HEIGHT, 0.0},
+    {HEX_WIDTH_TO_HEIGHT / 2.0, 1.0},
+    {-HEX_WIDTH_TO_HEIGHT / 2.0, 1.0},
+    {-HEX_WIDTH_TO_HEIGHT, 0.0},
+    {-HEX_WIDTH_TO_HEIGHT / 2.0, -1.0},
+    {HEX_WIDTH_TO_HEIGHT / 2.0, -1.0}
 };
 
 HexTile::HexTile(float x, float y, float size)
diff --git a/src/common/HexTile.h b/src/common/HexTile.h
index a379459..982876e 100644
--- a/src/common/HexTile.h
+++ b/src/common/HexTile.h
@@ -2,6 +2,8 @@
 #ifndef HEXTILE_H
 #define HEXTILE_H
 
+#define HEX_WIDTH_TO_HEIGHT 1.1547005383792517
+
 class HexTile
 {
     public: