diff --git a/gui/m291/src/m291.tal b/gui/m291/src/m291.tal
index 9142de3..62d0e5c 100644
--- a/gui/m291/src/m291.tal
+++ b/gui/m291/src/m291.tal
@@ -587,9 +587,10 @@
 	( >> )
 
 @<draw-time> ( time* -- )
-	( x0:00:00 ) DUP2 #8ca0 DIV2 NIP #06 DIVk MUL SUB <draw-dec>
-	( 0x:00:00 ) DUP2 #0e10 DIV2 NIP <draw-dec>
-	[ LIT ": ] <draw-glyph>
+	DUP2 #0e10 LTH2 ?{
+		( x0:00:00 ) DUP2 #8ca0 DIV2 NIP #06 DIVk MUL SUB <draw-dec>
+		( 0x:00:00 ) DUP2 #0e10 DIV2 NIP <draw-dec>
+		[ LIT ": ] <draw-glyph> }
 	( 00:x0:00 ) DUP2 #0258 DIV2 NIP #06 DIVk MUL SUB <draw-dec>
 	( 00:0x:00 ) DUP2 #003c DIV2 NIP <draw-dec>
 	[ LIT ": ] <draw-glyph>