diff --git a/logcat/logcat.cpp b/logcat/logcat.cpp
index 22645f5..0c59f23 100644
--- a/logcat/logcat.cpp
+++ b/logcat/logcat.cpp
@@ -398,11 +398,9 @@
         return retval;
     }
 
-    log_time now(CLOCK_REALTIME);
-    bool monotonic = android_log_timestamp() == 'm';
-    if (monotonic) {
-        now = log_time(CLOCK_MONOTONIC);
-    }
+    clockid_t clock_type = android_log_clockid();
+    log_time now(clock_type);
+    bool monotonic = clock_type == CLOCK_MONOTONIC;
 
     std::string directory;
     char *file = strrchr(outputFileName, '/');
diff --git a/logcat/tests/logcat_test.cpp b/logcat/tests/logcat_test.cpp
index 153a3fd..61b020c 100644
--- a/logcat/tests/logcat_test.cpp
+++ b/logcat/tests/logcat_test.cpp
@@ -76,7 +76,7 @@
 
 TEST(logcat, year) {
 
-    if (android_log_timestamp() == 'm') {
+    if (android_log_clockid() == CLOCK_MONOTONIC) {
         fprintf(stderr, "Skipping test, logd is monotonic time\n");
         return;
     }
@@ -147,7 +147,7 @@
 
 TEST(logcat, tz) {
 
-    if (android_log_timestamp() == 'm') {
+    if (android_log_clockid() == CLOCK_MONOTONIC) {
         fprintf(stderr, "Skipping test, logd is monotonic time\n");
         return;
     }