diff --git a/yotta/data/example-authcrypt/main.cpp b/yotta/data/example-authcrypt/main.cpp
index 2f49aa9..257a1ad 100644
--- a/yotta/data/example-authcrypt/main.cpp
+++ b/yotta/data/example-authcrypt/main.cpp
@@ -187,7 +187,7 @@
 }
 
 void app_start(int, char*[]) {
-    minar::Scheduler::postCallback(FunctionPointer0<void>(run).bind());
+    minar::Scheduler::postCallback(mbed::util::FunctionPointer0<void>(run).bind());
 }
 
 #else