diff --git a/applications/inference_process/src/inference_process.cpp b/applications/inference_process/src/inference_process.cpp
index c877d45..9438882 100644
--- a/applications/inference_process/src/inference_process.cpp
+++ b/applications/inference_process/src/inference_process.cpp
@@ -157,7 +157,7 @@
         return true;
     }
 
-    LOG("Inference runtime: %" PRId32 " cycles\n", profiler.GetTotalTicks());
+    LOG("Inference runtime: %" PRIu64 " cycles\n", profiler.GetTotalTicks());
 
     // Copy output data from TFLu arena to job descriptor
     if (copyOfm(job, interpreter)) {
diff --git a/lib/arm_profiler/include/arm_profiler.hpp b/lib/arm_profiler/include/arm_profiler.hpp
index 36adb8d..0b97e2e 100644
--- a/lib/arm_profiler/include/arm_profiler.hpp
+++ b/lib/arm_profiler/include/arm_profiler.hpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2021 Arm Limited. All rights reserved.
+ * Copyright (c) 2021-2022 Arm Limited. All rights reserved.
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -30,7 +30,7 @@
     ArmProfiler(size_t max_events = 200);
     uint32_t BeginEvent(const char *tag);
     void EndEvent(uint32_t event_handle);
-    int32_t GetTotalTicks() const;
+    uint64_t GetTotalTicks() const;
 
 private:
     size_t max_events_;
diff --git a/lib/arm_profiler/src/arm_profiler.cpp b/lib/arm_profiler/src/arm_profiler.cpp
index 95bc3e4..c90eec2 100644
--- a/lib/arm_profiler/src/arm_profiler.cpp
+++ b/lib/arm_profiler/src/arm_profiler.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2021 Arm Limited. All rights reserved.
+ * Copyright (c) 2021-2022 Arm Limited. All rights reserved.
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -54,8 +54,8 @@
         "%s : cycle_cnt : %u cycles", tags_[event_handle], end_ticks_[event_handle] - start_ticks_[event_handle]);
 }
 
-int32_t ArmProfiler::GetTotalTicks() const {
-    int32_t ticks = 0;
+uint64_t ArmProfiler::GetTotalTicks() const {
+    uint64_t ticks = 0;
 
     for (size_t i = 0; i < num_events_; ++i) {
         ticks += end_ticks_[i] - start_ticks_[i];