diff --git a/.github/badges/code_issues.svg b/.github/badges/code_issues.svg
index edc4000e..d91d87c6 100644
--- a/.github/badges/code_issues.svg
+++ b/.github/badges/code_issues.svg
@@ -1 +1 @@
-<svg xmlns="http://www.w3.org/2000/svg" width="110" height="20" role="img" aria-label="code issues: 1290"><title>code issues: 1290</title><filter id="blur"><feGaussianBlur stdDeviation="16"/></filter><linearGradient id="s" x2="0" y2="100%"><stop offset="0" stop-color="#bbb" stop-opacity=".1"/><stop offset="1" stop-opacity=".1"/></linearGradient><clipPath id="r"><rect width="110" height="20" rx="3"/></clipPath><g clip-path="url(#r)"><rect width="73" height="20" fill="#555"/><rect x="73" width="37" height="20" fill="#dd4343"/><rect width="110" height="20" fill="url(#s)"/></g><g fill="#fff" text-anchor="middle" font-family="Verdana,Geneva,DejaVu Sans,sans-serif" text-rendering="geometricPrecision" font-size="110"><g transform="scale(.1)"><g aria-hidden="true" fill="#010101"><text x="375" y="150" fill-opacity=".8" filter="url(#blur)" textLength="630">code issues</text><text x="375" y="150" fill-opacity=".3" textLength="630">code issues</text></g><text x="375" y="140" textLength="630">code issues</text></g><g transform="scale(.1)"><g aria-hidden="true" fill="#010101"><text x="905" y="150" fill-opacity=".8" filter="url(#blur)" textLength="270">1290</text><text x="905" y="150" fill-opacity=".3" textLength="270">1290</text></g><text x="905" y="140" textLength="270">1290</text></g></g></svg>
+<svg xmlns="http://www.w3.org/2000/svg" width="110" height="20" role="img" aria-label="code issues: 1288"><title>code issues: 1288</title><filter id="blur"><feGaussianBlur stdDeviation="16"/></filter><linearGradient id="s" x2="0" y2="100%"><stop offset="0" stop-color="#bbb" stop-opacity=".1"/><stop offset="1" stop-opacity=".1"/></linearGradient><clipPath id="r"><rect width="110" height="20" rx="3"/></clipPath><g clip-path="url(#r)"><rect width="73" height="20" fill="#555"/><rect x="73" width="37" height="20" fill="#dd4343"/><rect width="110" height="20" fill="url(#s)"/></g><g fill="#fff" text-anchor="middle" font-family="Verdana,Geneva,DejaVu Sans,sans-serif" text-rendering="geometricPrecision" font-size="110"><g transform="scale(.1)"><g aria-hidden="true" fill="#010101"><text x="375" y="150" fill-opacity=".8" filter="url(#blur)" textLength="630">code issues</text><text x="375" y="150" fill-opacity=".3" textLength="630">code issues</text></g><text x="375" y="140" textLength="630">code issues</text></g><g transform="scale(.1)"><g aria-hidden="true" fill="#010101"><text x="905" y="150" fill-opacity=".8" filter="url(#blur)" textLength="270">1288</text><text x="905" y="150" fill-opacity=".3" textLength="270">1288</text></g><text x="905" y="140" textLength="270">1288</text></g></g></svg>
diff --git a/code/apps/+imviewer/@App/App.m b/code/apps/+imviewer/@App/App.m
index bc333599..01a20903 100755
--- a/code/apps/+imviewer/@App/App.m
+++ b/code/apps/+imviewer/@App/App.m
@@ -1102,26 +1102,17 @@ function createBrightnessSlider(obj)
         obj.uiwidgets.BrightnessSlider = uim.widget.rangeslider.empty;
         obj.uiwidgets.BrightnessToolbar = uim.widget.toolbar.empty;
 
-        switch obj.ImageStack.DataType
-            case {'unit8'}
-                numTicks = 256+1;
-            case {'uint16', 'int16'}
-                numTicks = 2^16+1;
-            case {'single', 'double'}
-                numTicks = 256;
-            otherwise
-                numTicks = 256;
-        end
-        numTicks = 256;
         for i = 1:obj.ImageStack.NumChannels
 
             label = sprintf('Ch%d', i);
 
-            % Create brightness slider
+            % Create brightness slider. NumTicks is a starting value:
+            % setSliderExtremeLimits sets it from the intensity limits of
+            % the data type.
             obj.brightnessSlider(i) = uim.widget.rangeslider(uicc, ...
                 'Location', 'northeast', 'Margin', [0,0,30,yMargin(i)], ...
                 'Size', [120, 25], 'Visible', 'off', 'Padding', [10, 5, 10, 5], ...
-                'NumTicks', numTicks, 'Label', label);
+                'NumTicks', 256, 'Label', label);
 
             obj.uiwidgets.BrightnessSlider(i) = obj.brightnessSlider(i);