diff --git a/include/blt/std/time.h b/include/blt/std/time.h
index 50d6759..970294d 100755
--- a/include/blt/std/time.h
+++ b/include/blt/std/time.h
@@ -43,23 +43,23 @@ namespace blt::system
         return std::chrono::duration_cast<std::chrono::milliseconds>(std::chrono::high_resolution_clock::now().time_since_epoch()).count();
     }
     
-    static inline auto getCPUThreadTime()
+    static inline int64_t getCPUThreadTime()
     {
 #ifdef unix
         timespec time{};
         clock_gettime(CLOCK_THREAD_CPUTIME_ID, &time);
-        return time.tv_nsec;
+        return time.tv_sec * static_cast<int64_t>(1e9) + time.tv_nsec;
 #else
         return std::clock();
 #endif
     }
     
-    static inline auto getCPUTime()
+    static inline int64_t getCPUTime()
     {
 #ifdef unix
         timespec time{};
         clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &time);
-        return time.tv_nsec;
+        return time.tv_sec * static_cast<int64_t>(1e9) + time.tv_nsec;
 #else
         return std::clock();
 #endif
@@ -70,7 +70,7 @@ namespace blt::system
 #ifdef unix
         timespec res{};
         clock_getres(CLOCK_PROCESS_CPUTIME_ID, &res);
-        return res.tv_nsec;
+        return res.tv_sec * static_cast<int64_t>(1e9) + res.tv_nsec;
 #else
         return CLOCKS_PER_SECOND;
 #endif
diff --git a/src/blt/profiling/profiler.cpp b/src/blt/profiling/profiler.cpp
index 5e8f6b7..5ee5810 100755
--- a/src/blt/profiling/profiler.cpp
+++ b/src/blt/profiling/profiler.cpp
@@ -12,6 +12,8 @@
 #include <algorithm>
 #include <blt/std/format.h>
 
+#define TIME_FUNCTION blt::system::getCPUThreadTime()
+
 namespace blt::profiling {
     
     // TODO: a better way
@@ -148,7 +150,7 @@ namespace blt::profiling {
     void startInterval(const std::string& profileName, const std::string& intervalName) {
         std::scoped_lock lock(profileLock);
         capture_interval interval{};
-        interval.start = system::getCPUThreadTime();
+        interval.start = TIME_FUNCTION;
         profiles[profileName].intervals[intervalName] = interval;
     }
     
@@ -157,9 +159,10 @@ namespace blt::profiling {
         auto& prof = profiles[profileName];
         auto& ref = prof.intervals[intervalName];
         
-        ref.end = system::getCPUThreadTime();
+        ref.end = TIME_FUNCTION;
         
         auto difference = ref.end - ref.start;
+        
         auto& href = prof.intervals_total[intervalName];
         
         href.total += difference;
@@ -169,7 +172,7 @@ namespace blt::profiling {
     void point(const std::string& profileName, const std::string& pointName) {
         std::scoped_lock lock(profileLock);
         capture_point point{};
-        point.point = system::getCPUThreadTime();
+        point.point = TIME_FUNCTION;
         point.name = pointName;
         profiles[profileName].points.push(point);
     }