diff --git a/README.md b/README.md
index 11d204c..2170cef 100644
--- a/README.md
+++ b/README.md
@@ -87,7 +87,7 @@ bool fetchMap(LGFX_Sprite &map, double longitude, double latitude, uint8_t zoom)
 #include <LGFX_AUTODETECT.hpp>
 #include <LovyanGFX.hpp>
 
-#include <OpenStreetMap-esp32.h>
+#include <OpenStreetMap-esp32.hpp>
 
 const char *ssid = "xxx";
 const char *password = "xxx";
@@ -144,7 +144,7 @@ void loop()
 
 #include "LGFX_ESP32_8048S050C.hpp" // replace with your panel config
 
-#include <OpenStreetMap-esp32.h>
+#include <OpenStreetMap-esp32.hpp>
 
 const char *ssid = "xxx";
 const char *password = "xxx";
diff --git a/examples/osm-basic-example/osm-basic-example.ino b/examples/osm-basic-example/osm-basic-example.ino
index 461c2a9..4ffbf33 100644
--- a/examples/osm-basic-example/osm-basic-example.ino
+++ b/examples/osm-basic-example/osm-basic-example.ino
@@ -7,7 +7,7 @@
 #include <LGFX_AUTODETECT.hpp>
 #include <LovyanGFX.hpp>
 
-#include <OpenStreetMap-esp32.h>
+#include <OpenStreetMap-esp32.hpp>
 
 const char *ssid = "xxx";
 const char *password = "xxx";