diff --git a/ReactAndroid/src/main/jni/xreact/jni/OnLoad.cpp b/ReactAndroid/src/main/jni/xreact/jni/OnLoad.cpp
index 3b067be0f4f..dc084b1238d 100644
--- a/ReactAndroid/src/main/jni/xreact/jni/OnLoad.cpp
+++ b/ReactAndroid/src/main/jni/xreact/jni/OnLoad.cpp
@@ -73,9 +73,15 @@ static JSValueRef nativePerformanceNow(
   static const int64_t NANOSECONDS_IN_SECOND = 1000000000LL;
   static const int64_t NANOSECONDS_IN_MILLISECOND = 1000000LL;
 
-  // This is equivalent to android.os.SystemClock.elapsedRealtime() in native
+  // Since SystemClock.uptimeMillis() is commonly used for performance measurement in Java
+  // and uptimeMillis() internally uses clock_gettime(CLOCK_MONOTONIC),
+  // we use the same API here.
+  // We need that to make sure we use the same time system on both JS and Java sides.
+  // Links to the source code:
+  // https://android.googlesource.com/platform/frameworks/native/+/jb-mr1-release/libs/utils/SystemClock.cpp
+  // https://android.googlesource.com/platform/system/core/+/master/libutils/Timers.cpp
   struct timespec now;
-  clock_gettime(CLOCK_MONOTONIC_RAW, &now);
+  clock_gettime(CLOCK_MONOTONIC, &now);
   int64_t nano = now.tv_sec * NANOSECONDS_IN_SECOND + now.tv_nsec;
   return Value::makeNumber(ctx, (nano / (double)NANOSECONDS_IN_MILLISECOND));
 }