diff --git a/opengl/libs/EGL/FileBlobCache.cpp b/opengl/libs/EGL/FileBlobCache.cpp
index ff608a3..7923715 100644
--- a/opengl/libs/EGL/FileBlobCache.cpp
+++ b/opengl/libs/EGL/FileBlobCache.cpp
@@ -16,6 +16,7 @@
 
 #include "FileBlobCache.h"
 
+#include <errno.h>
 #include <inttypes.h>
 #include <log/log.h>
 #include <sys/mman.h>
@@ -182,4 +183,4 @@
     }
 }
 
-}
\ No newline at end of file
+}