diff --git a/src/renderer/sw_engine/tvgSwShape.cpp b/src/renderer/sw_engine/tvgSwShape.cpp
index 9aa95523..45322c07 100644
--- a/src/renderer/sw_engine/tvgSwShape.cpp
+++ b/src/renderer/sw_engine/tvgSwShape.cpp
@@ -132,7 +132,7 @@ static void _dashLineTo(SwDashStroke& dash, const Point* to, const Matrix* trans
             _outlineLineTo(*dash.outline, to, transform);
         }
     } else {
-        while (len > dash.curLen) {
+        while (len - dash.curLen > 0.0001f) {
             Line left, right;
             if (dash.curLen > 0) {
                 len -= dash.curLen;
@@ -189,7 +189,7 @@ static void _dashCubicTo(SwDashStroke& dash, const Point* ctrl1, const Point* ct
             _outlineCubicTo(*dash.outline, ctrl1, ctrl2, to, transform);
         }
     } else {
-        while (len > dash.curLen) {
+        while ((len - dash.curLen) > 0.0001f) {
             Bezier left, right;
             if (dash.curLen > 0) {
                 len -= dash.curLen;