diff --git a/components/esp_common/include/esp_private/system_internal.h b/components/esp_common/include/esp_private/system_internal.h
index 4f5c90e817..12d7c2db88 100644
--- a/components/esp_common/include/esp_private/system_internal.h
+++ b/components/esp_common/include/esp_private/system_internal.h
@@ -72,7 +72,7 @@ int64_t esp_system_get_time(void);
 /** 
  * @brief Get the resolution of the time returned by `esp_system_get_time`.
  * 
- * @returns the resolution in microseconds
+ * @returns the resolution in nanoseconds
  */
 uint32_t esp_system_get_time_resolution(void);
 
diff --git a/components/esp_system/system_time.c b/components/esp_system/system_time.c
index 8fae106ce8..9c1f76a855 100644
--- a/components/esp_system/system_time.c
+++ b/components/esp_system/system_time.c
@@ -42,5 +42,5 @@ int64_t IRAM_ATTR __attribute__((weak)) esp_system_get_time(void)
 
 uint32_t IRAM_ATTR __attribute__((weak)) esp_system_get_time_resolution(void)
 {
-    return 1000000L / rtc_clk_slow_freq_get_hz();
+    return 1000000000L / rtc_clk_slow_freq_get_hz();
 }
\ No newline at end of file
diff --git a/components/esp_timer/src/esp_timer.c b/components/esp_timer/src/esp_timer.c
index 4e4c570579..975bc6c3d9 100644
--- a/components/esp_timer/src/esp_timer.c
+++ b/components/esp_timer/src/esp_timer.c
@@ -534,6 +534,6 @@ int64_t IRAM_ATTR esp_system_get_time(void)
 
 uint32_t IRAM_ATTR esp_system_get_time_resolution(void)
 {
-    return 1;
+    return 1000;
 }
 #endif
\ No newline at end of file
diff --git a/components/newlib/time.c b/components/newlib/time.c
index 0e998136b3..221b2c377c 100644
--- a/components/newlib/time.c
+++ b/components/newlib/time.c
@@ -287,7 +287,7 @@ int clock_getres (clockid_t clock_id, struct timespec *res)
     }
 
     res->tv_sec = 0;
-    res->tv_nsec = esp_system_get_time_resolution() * 1000;
+    res->tv_nsec = esp_system_get_time_resolution();
 
     return 0;
 #else