diff --git a/Global.h b/Global.h
index 3b6f1e5c0..a596848cb 100644
--- a/Global.h
+++ b/Global.h
@@ -117,6 +117,10 @@ static_assert(sizeof(bool) == 1, "Bool needs to be 1 byte in size.");
 #include <android/log.h>
 #endif
 
+#ifndef M_PI
+#define M_PI 3.14159265358979323846
+#endif
+
 /* ---------------------------------------------------------------------------- */
 /* Usings */
 /* ---------------------------------------------------------------------------- */