diff --git a/pio_package_pre.py b/pio_package_pre.py
index 7659975..4cccda2 100644
--- a/pio_package_pre.py
+++ b/pio_package_pre.py
@@ -6,7 +6,7 @@ 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)
\ No newline at end of file
+    writefile.write(content_new)