diff --git a/src/d/d_map_path.cpp b/src/d/d_map_path.cpp
index f31c1aee48..3c31c022e3 100644
--- a/src/d/d_map_path.cpp
+++ b/src/d/d_map_path.cpp
@@ -16,6 +16,7 @@
 
 #ifdef TARGET_PC
 #include <span>
+#include <numbers>
 
 constexpr u16 kMapResolutionMultiplier = 4;
 constexpr u16 kMapImageSide = 16 * kMapResolutionMultiplier;