diff --git a/include/world.h b/include/world.h
index 48a3aa9..dc61bb0 100644
--- a/include/world.h
+++ b/include/world.h
@@ -1,4 +1,4 @@
-#include <urweb.h>
+#include <urweb/urweb.h>
 
 typedef struct {
   int len;
diff --git a/src/c/world.c b/src/c/world.c
index 5824093..02e659c 100644
--- a/src/c/world.c
+++ b/src/c/world.c
@@ -10,7 +10,6 @@
 #include <openssl/pem.h>
 #include <openssl/hmac.h>
 
-#include <urweb.h>
 #include <world.h>
 
 #define BUF_MAX (10 * 1024 * 1024)