diff --git a/src/sim/init_signals.cc b/src/sim/init_signals.cc
index 0e898954e5..7efbaea616 100644
--- a/src/sim/init_signals.cc
+++ b/src/sim/init_signals.cc
@@ -87,7 +87,7 @@ exitNowHandler(int sigtype)
 void
 abortHandler(int sigtype)
 {
-    ccprintf(cerr, "Program aborted at cycle %d\n", curTick());
+    ccprintf(cerr, "Program aborted at tick %llu\n", curTick());
 }
 
 // Handle SIGIO