diff --git a/include/asterisk/file.h b/include/asterisk/file.h
index 0f33b53405..e1fd0045f6 100644
--- a/include/asterisk/file.h
+++ b/include/asterisk/file.h
@@ -30,7 +30,7 @@
 #endif
 
 #ifdef HAVE_MMAP
-#include <sys/mman.h>
+#include <sys/mmap.h>
 #endif
 
 #if defined(__cplusplus) || defined(c_plusplus)