diff --git a/Testat-Planer.zig b/Testat-Planer.zig
index a6cd36a..6861dac 100644
--- a/Testat-Planer.zig
+++ b/Testat-Planer.zig
@@ -37,7 +37,7 @@ pub fn main () !void {
 
 // Printet timestamp im Format HH:MM
 pub fn printTimestamp(ts: *Timestamp) !void {
-    try writer.print("{d}:{d}", ts.*);
+try writer.print("{0d:0>2}:{1d:0>2}", .{ ts.hours, ts.minutes });
 }
 
 pub fn printPlan() !void {