diff --git a/companion/src/helpers.h b/companion/src/helpers.h
index a54f89450..0ce75e7fb 100644
--- a/companion/src/helpers.h
+++ b/companion/src/helpers.h
@@ -67,6 +67,14 @@ class GVarGroup: public QObject {
 
     void setWeight(int val);
 
+    void setMinimum(int min) {
+      mini = min;
+    }
+
+    void setMaximum(int max) {
+      maxi = max;
+    }
+
   signals:
     void valueChanged();
 
diff --git a/companion/src/modeledit/channels.cpp b/companion/src/modeledit/channels.cpp
index 57f68a5c2..4fbe64a9a 100644
--- a/companion/src/modeledit/channels.cpp
+++ b/companion/src/modeledit/channels.cpp
@@ -82,12 +82,14 @@ void LimitsGroup::updateMinMax(int max)
 {
   if (spinbox->maximum() == 0) {
     spinbox->setMinimum(-max * displayStep);
+    gvarGroup->setMinimum(-max);
     if (value < -max) {
       value = -max;
     }
   }
   if (spinbox->minimum() == 0) {
     spinbox->setMaximum(max * displayStep);
+    gvarGroup->setMaximum(max);
     if (value > max) {
       value = max;
     }