diff --git a/code/__DEFINES/maths.dm b/code/__DEFINES/maths.dm
index d05956eae1..3e638f1e2e 100644
--- a/code/__DEFINES/maths.dm
+++ b/code/__DEFINES/maths.dm
@@ -4,7 +4,7 @@
 
 #define NUM_E 2.71828183
 
-#define PI						3.1415
+#define PI						3.1416
 #define INFINITY				1e31	//closer then enough
 
 #define SHORT_REAL_LIMIT 16777216
@@ -201,4 +201,4 @@
 
 	return list(region_x1 & region_x2, region_y1 & region_y2)
 
-// )
\ No newline at end of file
+// )