diff --git a/Ast/src/TimeTrace.cpp b/Ast/src/TimeTrace.cpp
index 4782b25c..e8be59eb 100644
--- a/Ast/src/TimeTrace.cpp
+++ b/Ast/src/TimeTrace.cpp
@@ -40,7 +40,7 @@ static double getClockPeriod()
     mach_timebase_info_data_t result = {};
     mach_timebase_info(&result);
     return double(result.numer) / double(result.denom) * 1e-9;
-#elif defined(__linux__)
+#elif defined(__linux__) || defined(__FreeBSD__)
     return 1e-9;
 #else
     return 1.0 / double(CLOCKS_PER_SEC);
@@ -55,7 +55,7 @@ static double getClockTimestamp()
     return double(result.QuadPart);
 #elif defined(__APPLE__)
     return double(mach_absolute_time());
-#elif defined(__linux__)
+#elif defined(__linux__) || defined(__FreeBSD__)
     timespec now;
     clock_gettime(CLOCK_MONOTONIC, &now);
     return now.tv_sec * 1e9 + now.tv_nsec;
diff --git a/VM/src/lperf.cpp b/VM/src/lperf.cpp
index b7293c14..fef70c36 100644
--- a/VM/src/lperf.cpp
+++ b/VM/src/lperf.cpp
@@ -30,7 +30,7 @@ static double clock_period()
     mach_timebase_info_data_t result = {};
     mach_timebase_info(&result);
     return double(result.numer) / double(result.denom) * 1e-9;
-#elif defined(__linux__)
+#elif defined(__linux__) || defined(__FreeBSD__)
     return 1e-9;
 #else
     return 1.0 / double(CLOCKS_PER_SEC);
@@ -45,7 +45,7 @@ static double clock_timestamp()
     return double(result.QuadPart);
 #elif defined(__APPLE__)
     return double(mach_absolute_time());
-#elif defined(__linux__)
+#elif defined(__linux__) || defined(__FreeBSD__)
     timespec now;
     clock_gettime(CLOCK_MONOTONIC, &now);
     return now.tv_sec * 1e9 + now.tv_nsec;