diff --git a/src/node_panel_stroke.cpp b/src/node_panel_stroke.cpp
index 4febb70..e06ec3d 100644
--- a/src/node_panel_stroke.cpp
+++ b/src/node_panel_stroke.cpp
@@ -32,6 +32,7 @@ void NodePanelStroke::update_controls()
     m_tip_opacity->m_value = b->m_tip_opacity;
     m_tip_angle->m_value = b->m_tip_angle;
     m_tip_angle_smooth->m_value = b->m_tip_angle_smooth;
+    m_tip_mix->m_value = m_curves[m_tip_mix].to_slider(b->m_tip_mix);
     m_tip_wet->m_value = b->m_tip_wet;
     m_tip_noise->m_value = b->m_tip_noise;
     m_jitter_scale->m_value = b->m_jitter_scale;
@@ -405,6 +406,10 @@ void NodePanelStroke::init_controls()
         [](float v) { return glm::pow(v, 2.f); },
         [](float v) { return glm::pow(v, 1.f / 2.f); },
     };
+    SliderCurve curve_mix {
+        [](float v) { return glm::pow(v, 1.f / 10.f); },
+        [](float v) { return glm::pow(v, 10.f); },
+    };
     SliderCurve curve_linear1k_perc {
         [](float v) { return v * 10.f; },
         [](float v) { return v * 0.1f; },
@@ -459,6 +464,7 @@ void NodePanelStroke::init_controls()
     m_curves[m_dual_flow] = curve_quad;
     m_curves[m_pattern_scale] = curve_size1k_perc;
     m_curves[m_jitter_scatter] = curve_linear1k_perc;
+    m_curves[m_tip_mix] = curve_mix;
 
     m_tip_aspect_reset = find<NodeButtonCustom>("tip-aspect-reset");
     m_tip_aspect_reset->on_click = [this](Node*) {
diff --git a/src/node_stroke_preview.cpp b/src/node_stroke_preview.cpp
index 614614a..a9fd885 100644
--- a/src/node_stroke_preview.cpp
+++ b/src/node_stroke_preview.cpp
@@ -391,6 +391,18 @@ void NodeStrokePreview::draw_stroke_immediate()
         glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, 0, size.x, size.y);
     }
 
+    // CHEKCERBOARD
+
+    // copy background color to tex2
+    ShaderManager::use(kShader::Checkerboard);
+    ShaderManager::u_int(kShaderUniform::Colorize, b->m_tip_mix > 0.f || b->m_blend_mode != 0);
+    float aspect = size.x / size.y;
+    ShaderManager::u_mat4(kShaderUniform::MVP, glm::ortho(-.5f, .5f, -.5f / aspect, .5f / aspect, -1.f, 1.f));
+    m_plane.draw_fill();
+    //m_rtt.clear({ .3f, .3f, .3f, 1.f });
+    m_tex_background.bind();
+    glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, 0, size.x, size.y);
+
     // DRAW MAIN BRUSH
 
     ShaderManager::use(kShader::Stroke);
@@ -435,18 +447,6 @@ void NodeStrokePreview::draw_stroke_immediate()
     m_tex.bind();
     glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, 0, size.x, size.y);
 
-    // CHEKCERBOARD
-
-    // copy background color to tex2
-    ShaderManager::use(kShader::Checkerboard);
-    ShaderManager::u_int(kShaderUniform::Colorize, b->m_tip_mix > 0.f || b->m_blend_mode != 0);
-    float aspect = size.x / size.y;
-    ShaderManager::u_mat4(kShaderUniform::MVP, glm::ortho(-.5f, .5f, -.5f / aspect, .5f / aspect, -1.f, 1.f));
-    m_plane.draw_fill();
-    //m_rtt.clear({ .3f, .3f, .3f, 1.f });
-    m_tex_background.bind();
-    glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, 0, size.x, size.y);
-
     // COMPOSITE
 
     ShaderManager::use(kShader::CompDraw);