diff --git a/src/renderer/gl_engine/tvgGlCommon.h b/src/renderer/gl_engine/tvgGlCommon.h
index ad6d172e..337ad69d 100644
--- a/src/renderer/gl_engine/tvgGlCommon.h
+++ b/src/renderer/gl_engine/tvgGlCommon.h
@@ -57,6 +57,11 @@
         } while(0)
 #endif
 
+static inline float getScaleFactor(const Matrix& m)
+{
+    return sqrtf(m.e11 * m.e11 + m.e21 * m.e21);
+}
+
 enum class GlStencilMode {
     None,
     FillWinding,
diff --git a/src/renderer/gl_engine/tvgGlRenderer.cpp b/src/renderer/gl_engine/tvgGlRenderer.cpp
index bb06b4f1..826ce738 100644
--- a/src/renderer/gl_engine/tvgGlRenderer.cpp
+++ b/src/renderer/gl_engine/tvgGlRenderer.cpp
@@ -162,7 +162,7 @@ void GlRenderer::drawPrimitive(GlShape& sdata, const RenderColor& c, RenderUpdat
     auto a = MULTIPLY(c.a, sdata.opacity);
 
     if (flag & RenderUpdateFlag::Stroke) {
-        float strokeWidth = sdata.rshape->strokeWidth() * sdata.geometry->getTransformMatrix().e11;
+        float strokeWidth = sdata.rshape->strokeWidth() * getScaleFactor(sdata.geometry->getTransformMatrix());
         if (strokeWidth < MIN_GL_STROKE_WIDTH) {
             float alpha = strokeWidth / MIN_GL_STROKE_WIDTH;
             a = MULTIPLY(a, static_cast<uint8_t>(alpha * 255));
diff --git a/src/renderer/gl_engine/tvgGlTessellator.cpp b/src/renderer/gl_engine/tvgGlTessellator.cpp
index 014bb91f..8cb69b3d 100644
--- a/src/renderer/gl_engine/tvgGlTessellator.cpp
+++ b/src/renderer/gl_engine/tvgGlTessellator.cpp
@@ -1534,7 +1534,7 @@ void Stroker::stroke(const RenderShape *rshape)
     mStrokeWidth = rshape->strokeWidth();
 
     if (isinf(mMatrix.e11)) {
-        auto strokeWidth = rshape->strokeWidth() * mMatrix.e11;
+        auto strokeWidth = rshape->strokeWidth() * getScaleFactor(mMatrix);
         if (strokeWidth <= MIN_GL_STROKE_WIDTH) strokeWidth = MIN_GL_STROKE_WIDTH;
         mStrokeWidth = strokeWidth / mMatrix.e11;
     }