diff --git a/devtools/test_dashboard/test_gl3d.js b/devtools/test_dashboard/test_gl3d.js
index 902cb8e0305..dce47915ce0 100644
--- a/devtools/test_dashboard/test_gl3d.js
+++ b/devtools/test_dashboard/test_gl3d.js
@@ -35,5 +35,6 @@ plots['marker-arrays'] = require('@mocks/gl3d_marker-arrays.json');
 plots['scatter3d-colorscale'] = require('@mocks/gl3d_scatter3d-colorscale.json');
 plots['autocolorscale'] = require('@mocks/gl3d_autocolorscale.json');
 plots['nan-holes'] = require('@mocks/gl3d_nan-holes.json');
+plots['tetrahedra'] = require('@mocks/gl3d_tet.json');
 
 plotButtons(plots, figDir);
diff --git a/src/traces/mesh3d/convert.js b/src/traces/mesh3d/convert.js
index 22fabd640f4..12f4297ce84 100644
--- a/src/traces/mesh3d/convert.js
+++ b/src/traces/mesh3d/convert.js
@@ -123,13 +123,13 @@ proto.update = function(data) {
         config.vertexIntensity = data.intensity;
         config.colormap = parseColorScale(data.colorscale);
     }
-    else if(data.vertexColor) {
-        this.color = data.vertexColor[0];
-        config.vertexColors = parseColorArray(data.vertexColor);
+    else if(data.vertexcolor) {
+        this.color = data.vertexcolors[0];
+        config.vertexColors = parseColorArray(data.vertexcolor);
     }
-    else if(data.faceColor) {
-        this.color = data.faceColor[0];
-        config.cellColors = parseColorArray(data.faceColor);
+    else if(data.facecolor) {
+        this.color = data.facecolor[0];
+        config.cellColors = parseColorArray(data.facecolor);
     }
     else {
         this.color = data.color;
diff --git a/src/traces/mesh3d/defaults.js b/src/traces/mesh3d/defaults.js
index 36c09511e6d..03ec5559900 100644
--- a/src/traces/mesh3d/defaults.js
+++ b/src/traces/mesh3d/defaults.js
@@ -72,8 +72,8 @@ module.exports = function supplyDefaults(traceIn, traceOut, defaultColor, layout
     else {
         traceOut.showscale = false;
 
-        if('vertexColor' in traceIn) coerce('vertexColor');
-        else if('faceColor' in traceIn) coerce('faceColor');
+        if('vertexcolor' in traceIn) coerce('vertexcolor');
+        else if('facecolor' in traceIn) coerce('facecolor');
         else coerce('color', defaultColor);
     }
 
diff --git a/test/image/baselines/gl3d_tet.png b/test/image/baselines/gl3d_tet.png
new file mode 100644
index 00000000000..d780f943827
Binary files /dev/null and b/test/image/baselines/gl3d_tet.png differ
diff --git a/test/image/mocks/gl3d_tet.json b/test/image/mocks/gl3d_tet.json
new file mode 100644
index 00000000000..0876e77b435
--- /dev/null
+++ b/test/image/mocks/gl3d_tet.json
@@ -0,0 +1,21 @@
+{
+  "data": [
+    {
+      "type":"mesh3d",
+      "y":[0, 0, 1, 2],
+      "x":[0, 1, 2, 0],
+      "z":[0, 2, 0, 1],
+      "i":[0, 0, 0, 1],
+      "j":[1, 2, 3, 2],
+      "k":[2, 3, 1, 3],
+      "facecolors": [
+        "rgb(0, 0, 0)",
+        "rgb(255, 0, 0)",
+        "rgb(0, 255, 0)",
+        "rgb(0, 0, 255)"
+      ]
+    }],
+  "layout": {
+    "title": "Tetrahedra"
+  }
+}