diff --git a/pcsx2/GS/GSPerfMon.cpp b/pcsx2/GS/GSPerfMon.cpp
index adc81da470..5f40489d74 100644
--- a/pcsx2/GS/GSPerfMon.cpp
+++ b/pcsx2/GS/GSPerfMon.cpp
@@ -34,10 +34,12 @@ void GSPerfMon::Put(counter_t c, double val)
 	if (c == Frame)
 	{
 #if defined(__unix__) || defined(__APPLE__)
-		// clock on linux will return CLOCK_PROCESS_CPUTIME_ID.
-		// CLOCK_THREAD_CPUTIME_ID is much more useful to measure the fps
 		struct timespec ts;
-		clock_gettime(CLOCK_THREAD_CPUTIME_ID, &ts);
+# ifdef CLOCK_MONOTONIC_RAW
+		clock_gettime(CLOCK_MONOTONIC_RAW, &ts);
+# else
+		clock_gettime(CLOCK_MONOTONIC, &ts);
+# endif
 		uint64 now = (uint64)ts.tv_sec * (uint64)1e6 + (uint64)ts.tv_nsec / (uint64)1e3;
 #else
 		clock_t now = clock();