diff --git a/projects/rocr-runtime/tests/kfdtest/src/KFDEventTest.cpp b/projects/rocr-runtime/tests/kfdtest/src/KFDEventTest.cpp
index ca16e871ff..35e24cb493 100644
--- a/projects/rocr-runtime/tests/kfdtest/src/KFDEventTest.cpp
+++ b/projects/rocr-runtime/tests/kfdtest/src/KFDEventTest.cpp
@@ -228,7 +228,7 @@ exit:
 TEST_F(KFDEventTest, MeasureInterruptConsumption) {
     TEST_START(TESTPROFILE_RUNALL);
     QueueAndSignalBenchmark latencyBench(128);
-    QueueAndSignalBenchmark sustainedBench(4096);
+    QueueAndSignalBenchmark sustainedBench(4095);
 
     printf("\033[2J");
     while (true) {
@@ -246,7 +246,7 @@ TEST_F(KFDEventTest, MeasureInterruptConsumption) {
 TEST_F(KFDEventTest, SignalMaxEvents) {
     TEST_START(TESTPROFILE_RUNALL);
 
-    static const unsigned int MAX_EVENT_NUMBER = 4096;
+    static const unsigned int MAX_EVENT_NUMBER = 4095;
     uint64_t time, latency;
 
     QueueAndSignalBenchmark maxEventTest(MAX_EVENT_NUMBER);