diff --git a/updater/pio_package_pre.py b/updater/pio_package_pre.py
index 375aa1f..0b08ca1 100644
--- a/updater/pio_package_pre.py
+++ b/updater/pio_package_pre.py
@@ -6,9 +6,9 @@ content_new = ""
 
 with open ('../src/Config.h', 'r' ) as readfile:
     file_content = readfile.read()
-    content_new = re.sub(regex, "#define NUKI_HUB_DATE \"" + datetime.now(timezone.utc).strftime("%Y-%m-%d %H:%M:%S") + "\"", file_content, flags = re.M)
+    content_new = re.sub(regex, "#define NUKI_HUB_DATE \"" + datetime.now(timezone.utc).strftime("%Y-%m-%d") + "\"", file_content, flags = re.M)
 
 with open('../src/Config.h', 'w') as writefile:
     writefile.write(content_new)
 
-shutil.copy("../src/main.cpp", "src/main.cpp")
\ No newline at end of file
+shutil.copy("../src/main.cpp", "src/main.cpp")