diff --git a/src/Platform.cpp b/src/Platform.cpp
index eff6b89..0106175 100644
--- a/src/Platform.cpp
+++ b/src/Platform.cpp
@@ -181,7 +181,7 @@ Platform::getLocalTime(struct tm* timedata)
     return false;
 #elif defined(BOARD_ESP32)
     time_t rawtime;
-    memset(&rawtime, sizeof(rawtime), 0);
+    memset(&rawtime, 0, sizeof(rawtime));
     time(&rawtime);
     (*timedata) = (*localtime(&rawtime));
     return (timedata->tm_year > (2016-1990));