diff --git a/src/matrix/render_functions.cpp b/src/matrix/render_functions.cpp
index e467b1c..019a2a1 100644
--- a/src/matrix/render_functions.cpp
+++ b/src/matrix/render_functions.cpp
@@ -230,7 +230,7 @@ String time_to_string(uint8_t hours, uint8_t minutes)
         message += "ZWOLF ";
         break;
     }
-    if (minutes < 5)
+    if ((minutes < 5) && (hours != 0))
     {
         message += "UHR ";
     }