diff --git a/test/run-drun/ok/timer.drun-run.ok b/test/run-drun/ok/timer.drun-run.ok
index 6d4f3fb09b3..447a2d853ad 100644
--- a/test/run-drun/ok/timer.drun-run.ok
+++ b/test/run-drun/ok/timer.drun-run.ok
@@ -4,11 +4,9 @@ debug.print: YEP!
 debug.print: DIM!
 debug.print: ROOK!
 debug.print: DIM!
+debug.print: DIM!
 debug.print: BATT!
 debug.print: BATT!
 debug.print: BATT!
-debug.print: BATT!
-debug.print: BATT!
-debug.print: BATT!
-debug.print: {count = 10}
+debug.print: {count = 8}
 ingress Completed: Reply: 0x4449444c0000
diff --git a/test/run-drun/ok/timer.ic-ref-run.ok b/test/run-drun/ok/timer.ic-ref-run.ok
index 9b3b93f5bae..7877ebd12d5 100644
--- a/test/run-drun/ok/timer.ic-ref-run.ok
+++ b/test/run-drun/ok/timer.ic-ref-run.ok
@@ -7,11 +7,9 @@ debug.print: YEP!
 debug.print: DIM!
 debug.print: ROOK!
 debug.print: DIM!
+debug.print: DIM!
 debug.print: BATT!
 debug.print: BATT!
 debug.print: BATT!
-debug.print: BATT!
-debug.print: BATT!
-debug.print: BATT!
-debug.print: {count = 10}
+debug.print: {count = 8}
 <= replied: ()
diff --git a/test/run-drun/timer.mo b/test/run-drun/timer.mo
index 3fc87295781..31f218c393e 100644
--- a/test/run-drun/timer.mo
+++ b/test/run-drun/timer.mo
@@ -2,6 +2,20 @@
 
 import { debugPrint; error; setTimer; cancelTimer } = "mo:⛔";
 
+/*
+The schedule is
+| seconds | reaction |
+|----|-----|
+| 1.0 | YEP! |
+| 2.0 | DIM! |
+| 3.0 | ROOK! |
+| 4.0 | DIM! |
+| 6.0 | DIM! |
+| 8.0 | BATT! |
+| 13.0 | BATT! |
+| 18.0 | BATT! |
+*/
+
 actor {
 
   system func timer(setGlobalTimer : Nat64 -> ()) : async () {
@@ -9,7 +23,7 @@ actor {
   };
 
   var count = 0;
-  var max = 10;
+  var max = 8;
   let raw_rand = (actor "aaaaa-aa" : actor { raw_rand : () -> async Blob }).raw_rand;
   let second : Nat64 = 1_000_000_000;
 
@@ -17,17 +31,17 @@ actor {
      var attempts = 0;
 
      let id1 = setTimer(1 * second, false, func () : async () { count += 1; debugPrint "YEP!" });
-     let id2 = setTimer(2 * (second - second / 10), true, func () : async () { count += 1; debugPrint "DIM!" });
+     let id2 = setTimer(2 * second, true, func () : async () { count += 1; debugPrint "DIM!" });
      let id3 = setTimer(3 * second, false, func () : async () {
          count += 1;
          debugPrint "ROOK!";
-         ignore setTimer(1 * second, true, func () : async () { count += 1; debugPrint "BATT!" })
+         ignore setTimer(5 * second, true, func () : async () { count += 1; debugPrint "BATT!" })
      });
 
      while (count < max) {
        ignore await raw_rand(); // yield to scheduler
        attempts += 1;
-       if (count > 5) { cancelTimer id2 };
+       if (count >= 5) { cancelTimer id2 };
        if (attempts >= 200 and count == 0)
          throw error("he's dead Jim");
      };