diff --git a/include/ui/EGLUtils.h b/include/ui/EGLUtils.h
index 48777b6..a5bff81 100644
--- a/include/ui/EGLUtils.h
+++ b/include/ui/EGLUtils.h
@@ -31,6 +31,8 @@
 {
 public:
 
+    static const char *strerror(EGLint err);
+
     static status_t selectConfigForPixelFormat(
             EGLDisplay dpy,
             EGLint const* attrs,