diff --git a/data/interface/index.html b/data/interface/index.html
index c6e0c8a..4e5a9c7 100644
--- a/data/interface/index.html
+++ b/data/interface/index.html
@@ -155,7 +155,7 @@
 									<div id="width" style="border-radius:50px;transform:translate(-50%,-50%);position:absolute;top:50%;left:50%;"></div>
 								</div>
 							</label>
-							<input drag="disabled" type="range" min="12" max="47" id="draw-brushing-line-width" style="margin:10px auto;display:block">
+							<input drag="disabled" type="range" min="1" max="47" id="draw-brushing-line-width" style="margin:10px auto;display:block">
 						</div>
 					</div>
   					<label for="collapsible" id="shrink">
diff --git a/data/interface/index.js b/data/interface/index.js
index ed44aad..5f33c1a 100644
--- a/data/interface/index.js
+++ b/data/interface/index.js
@@ -182,8 +182,13 @@ var config  = {
       target.style.height = config.draw.brushing.line.width.value + 'px';
 
       var target = document.getElementById("cursor");
-      target.style.width = parseInt(config.draw.brushing.line.width.value) - 1 + 'px';
-      target.style.height = parseInt(config.draw.brushing.line.width.value) - 1 + 'px';
+      if (parseInt(config.draw.brushing.line.width.value) < 5) {
+        target.style.width = 5 + 'px';
+        target.style.height = 5 + 'px';
+      } else {
+        target.style.width = parseInt(config.draw.brushing.line.width.value) - 1 + 'px';
+        target.style.height = parseInt(config.draw.brushing.line.width.value) - 1 + 'px';
+      }
 
       /* Contrast */
       if(!config.draw.brushing.line.color.disabled) {