diff --git a/CONTROL/control b/CONTROL/control
index e717920f..8e0265e1 100644
--- a/CONTROL/control
+++ b/CONTROL/control
@@ -1,7 +1,7 @@
 Package: webif
 Priority: optional
 Section: web
-Version: 1.3.4-2
+Version: 1.3.4-3
 Architecture: mipsel
 Maintainer: af123@hpkg.tv
 Depends: tcpfix,webif-channelicons(>=1.1.24),lighttpd(>=1.4.39-1),jim(>=0.77),jim-oo(>=0.77),jim-sqlite3(>=0.76),jim-cgi(>=0.7-1),jim-binary(>=0.76),service-control(>=2.3),busybox(>=1.20.2-1),lsof(>=4.87),epg(>=1.2.3),hmt(>=2.0.10),ssmtp,cron-daemon(>=1.18.3-3),at(>=3.1.18),anacron,trm(>=1.1),openssl-command,nicesplice,id3v2,file,rsvsync(>=1.1.9),webif-charts(>=1.2-1),stripts(>=1.2.5-3),tmenu(>=1.08),ffmpeg,id3v2,multienv(>=1.6),tcpping(>=1.1),e2fsprogs,wireless-tools(>=29-1),dbupdate,recmon(>=2.0.7),hwctl,nugget(>=0.95),sqlite3(>=3.15.1)
diff --git a/webif/html/settings/modules/auto/init.hook b/webif/html/settings/modules/auto/init.hook
index 24185417..eefc3d0c 100644
--- a/webif/html/settings/modules/auto/init.hook
+++ b/webif/html/settings/modules/auto/init.hook
@@ -10,6 +10,6 @@ handle_int_update autolog $autolog "Auto-processing log level"
 handle_int_update noautorec $noautorec "Auto-processing during recording"
 handle_int_update noautorecimm $noautorecimm "Auto-processing before recording"
 handle_int_update autorecperiod $autorecperiod \
-    "Auto-processing recording wait period" 
+    "Auto-processing recording wait period" 1 1 $(60 * 24)
 handle_str_update noautohours $noautohours "Auto processing hours" ascii
 
diff --git a/webif/html/settings/modules/auto/settings.hook b/webif/html/settings/modules/auto/settings.hook
index ea0e0b99..c2d6059d 100755
--- a/webif/html/settings/modules/auto/settings.hook
+++ b/webif/html/settings/modules/auto/settings.hook
@@ -43,7 +43,8 @@ setting_toggle "Suspend automatic processing whilst recording?" \
 setting_toggle "Suspend automatic processing if will record soon?" \
     "noautorecimm" $noautorecimm
 
-setting_number autorecperiod "...how many minutes is soon?" $autorecperiod
+setting_number autorecperiod "...how many minutes is soon?" $autorecperiod \
+    1 $(60 * 24)
 
 puts -nonewline "
 	<tr>
diff --git a/webif/html/settings/settings.jim b/webif/html/settings/settings.jim
index 7148416c..30e55e64 100755
--- a/webif/html/settings/settings.jim
+++ b/webif/html/settings/settings.jim
@@ -13,7 +13,7 @@ set modules {general auto tvdb web epg network advanced}
 set settings [settings new]
 if {![dict exists $env SCRIPT_NAME]} { set env(SCRIPT_NAME) "" }
 
-proc _handle_update {class var old text {trim 1}} {
+proc _handle_update {class var old text {trim 1} {min ""} {max ""}} {
 	global _cgi
 	global settings
 
@@ -25,6 +25,14 @@ proc _handle_update {class var old text {trim 1}} {
 		if {$new == $old} {
 			puts "$text unchanged."
 		} elseif {[string is $class -strict $new]} {
+			if {$class == "digit" && $min ne "" && $new < $min} {
+				puts "Invalid value for $var (too small)."
+				exit
+			}
+			if {$class == "digit" && $max ne "" && $new > $max} {
+				puts "Invalid value for $var (too large)."
+				exit
+			}
 			$settings $var $new
 			puts "$text updated."
 		} else {
@@ -34,8 +42,8 @@ proc _handle_update {class var old text {trim 1}} {
 	}
 }
 
-proc handle_int_update {var old {text "Value"} {trim 1}} {
-	_handle_update digit $var $old $text $trim
+proc handle_int_update {var old {text "Value"} {trim 1} {min ""} {max ""}} {
+	_handle_update digit $var $old $text $trim $min $max
 }
 
 proc handle_str_update {var old {text "Value"} {class alnum} {trim 1}} {
@@ -86,7 +94,7 @@ proc setting_toggle {name attr checked {invert 0} {val 0}} {
 	"
 }
 
-proc setting_number {name descr val} {
+proc setting_number {name descr val {min ""} {max ""}} {
 	puts -nonewline "
 	<tr>
 	<form class=auto id=${name} method=get action=$::env(SCRIPT_NAME)>
@@ -94,7 +102,14 @@ proc setting_number {name descr val} {
 		<td>
 			<input name=${name} size=5 type=number
 			    class=\"text ui-widget-content ui-corner-all\"
-			    maxlength=10 value=\"$val\">
+			    maxlength=10"
+	if {$min ne ""} {
+		puts -nonewline " min=$min"
+	}
+	if {$max ne ""} {
+		puts -nonewline " max=$max"
+	}
+	puts -nonewline " value=\"$val\">
 			<small>
 			<input value=\"set\" type=submit>
 			</small>