diff --git a/callbacks/example/callback.c b/callbacks/example/callback.c
index 25d1fe4e177023d3d4a57f5c522d33f4a42bc428..4d4bee40dc4d32fef1f84238b6178c08e39c807c 100644
--- a/callbacks/example/callback.c
+++ b/callbacks/example/callback.c
@@ -8,6 +8,6 @@ __attribute__ ((externally_visible)) __attribute__ ((used)) print_hello()
 
 void truncation_detector_signed_32_8(uintptr_t ret)
 {
-	char str[]="Hello\n";
+	char str[]="truncation_detector_signed_32_8 called\n";
 	write(1,str,sizeof(str));
 }