diff --git a/src/renderer/sw_engine/tvgSwCommon.h b/src/renderer/sw_engine/tvgSwCommon.h
index ba1ffa50..65ae5a8e 100644
--- a/src/renderer/sw_engine/tvgSwCommon.h
+++ b/src/renderer/sw_engine/tvgSwCommon.h
@@ -486,7 +486,7 @@ SwFixed mathSin(SwFixed angle);
 void mathSplitCubic(SwPoint* base);
 SwFixed mathDiff(SwFixed angle1, SwFixed angle2);
 SwFixed mathLength(const SwPoint& pt);
-bool mathSmallCubic(const SwPoint* base, SwFixed& angleIn, SwFixed& angleMid, SwFixed& angleOut);
+int mathCubicAngle(const SwPoint* base, SwFixed& angleIn, SwFixed& angleMid, SwFixed& angleOut);
 SwFixed mathMean(SwFixed angle1, SwFixed angle2);
 SwPoint mathTransform(const Point* to, const Matrix& transform);
 bool mathUpdateOutlineBBox(const SwOutline* outline, const SwBBox& clipRegion, SwBBox& renderRegion, bool fastTrack);
diff --git a/src/renderer/sw_engine/tvgSwMath.cpp b/src/renderer/sw_engine/tvgSwMath.cpp
index 1093edd6..0b85d890 100644
--- a/src/renderer/sw_engine/tvgSwMath.cpp
+++ b/src/renderer/sw_engine/tvgSwMath.cpp
@@ -44,7 +44,7 @@ SwFixed mathMean(SwFixed angle1, SwFixed angle2)
 }
 
 
-bool mathSmallCubic(const SwPoint* base, SwFixed& angleIn, SwFixed& angleMid, SwFixed& angleOut)
+int mathCubicAngle(const SwPoint* base, SwFixed& angleIn, SwFixed& angleMid, SwFixed& angleOut)
 {
     auto d1 = base[2] - base[3];
     auto d2 = base[1] - base[2];
@@ -54,7 +54,7 @@ bool mathSmallCubic(const SwPoint* base, SwFixed& angleIn, SwFixed& angleMid, Sw
         if (d2.small()) {
             if (d3.small()) {
                 angleIn = angleMid = angleOut = 0;
-                return true;
+                return -1;  //ignoreable
             } else {
                 angleIn = angleMid = angleOut = mathAtan(d3);
             }
@@ -90,8 +90,8 @@ bool mathSmallCubic(const SwPoint* base, SwFixed& angleIn, SwFixed& angleMid, Sw
     auto theta1 = abs(mathDiff(angleIn, angleMid));
     auto theta2 = abs(mathDiff(angleMid, angleOut));
 
-    if ((theta1 < (SW_ANGLE_PI / 8)) && (theta2 < (SW_ANGLE_PI / 8))) return true;
-    return false;
+    if ((theta1 < (SW_ANGLE_PI / 8)) && (theta2 < (SW_ANGLE_PI / 8))) return 0; //small size
+    return 1;
 }
 
 
diff --git a/src/renderer/sw_engine/tvgSwStroke.cpp b/src/renderer/sw_engine/tvgSwStroke.cpp
index 9a27f03d..e195f72a 100644
--- a/src/renderer/sw_engine/tvgSwStroke.cpp
+++ b/src/renderer/sw_engine/tvgSwStroke.cpp
@@ -441,13 +441,23 @@ static void _cubicTo(SwStroke& stroke, const SwPoint& ctrl1, const SwPoint& ctrl
         //initialize with current direction
         angleIn = angleOut = angleMid = stroke.angleIn;
 
-        if (arc < limit && !mathSmallCubic(arc, angleIn, angleMid, angleOut)) {
+        auto valid = mathCubicAngle(arc, angleIn, angleMid, angleOut);
+
+        //valid size
+        if (valid > 0 && arc < limit) {
             if (stroke.firstPt) stroke.angleIn = angleIn;
             mathSplitCubic(arc);
             arc += 3;
             continue;
         }
 
+        //ignoreable size
+        if (valid < 0 && arc == bezStack) {
+            stroke.center = to;
+            return;
+        }
+
+        //small size
         if (firstArc) {
             firstArc = false;
             //process corner if necessary