diff --git a/src/attributes.js b/src/attributes.js
index f1012b18..7a8b2f4d 100644
--- a/src/attributes.js
+++ b/src/attributes.js
@@ -198,7 +198,7 @@ function makeTypedArray(array, name) {
  * @property {boolean} [normalize] whether or not to normalize the data. Default = false
  * @property {number} [offset] offset into buffer in bytes. Default = 0
  * @property {number} [stride] the stride in bytes per element. Default = 0
- * @property {number} [divisor] the divisor in instances. Default = undefined. Note: undefined = don't call gl.vertexAttribDivisor
+ * @property {number} [divisor] the divisor in instances. Default = 0
  *    where as anything else = do call it with this value
  * @property {WebGLBuffer} buffer the buffer that contains the data for this attribute
  * @property {number} [drawType] the draw type passed to gl.bufferData. Default = gl.STATIC_DRAW
@@ -221,7 +221,7 @@ function makeTypedArray(array, name) {
  * @property {boolean} [normalize] normalize for `vertexAttribPointer`. Default is true if type is `Int8Array` or `Uint8Array` otherwise false.
  * @property {number} [stride] stride for `vertexAttribPointer`. Default = 0
  * @property {number} [offset] offset for `vertexAttribPointer`. Default = 0
- * @property {number} [divisor] divisor for `vertexAttribDivisor`. Default = undefined. Note: undefined = don't call gl.vertexAttribDivisor
+ * @property {number} [divisor] divisor for `vertexAttribDivisor`. Default = 0
  *    where as anything else = do call it with this value
  * @property {string} [attrib] name of attribute this array maps to. Defaults to same name as array prefixed by the default attribPrefix.
  * @property {string} [name] synonym for `attrib`.
diff --git a/src/programs.js b/src/programs.js
index 97e83d07..9e899f63 100644
--- a/src/programs.js
+++ b/src/programs.js
@@ -395,9 +395,7 @@ function floatAttribSetter(gl, index) {
       gl.enableVertexAttribArray(index);
       gl.vertexAttribPointer(
           index, b.numComponents || b.size, b.type || FLOAT, b.normalize || false, b.stride || 0, b.offset || 0);
-      if (b.divisor !== undefined) {
-        gl.vertexAttribDivisor(index, b.divisor);
-      }
+      gl.vertexAttribDivisor(index, b.divisor || 0);
     }
   };
 }
@@ -416,9 +414,7 @@ function intAttribSetter(gl, index) {
       gl.enableVertexAttribArray(index);
       gl.vertexAttribIPointer(
           index, b.numComponents || b.size, b.type || INT, b.stride || 0, b.offset || 0);
-      if (b.divisor !== undefined) {
-        gl.vertexAttribDivisor(index, b.divisor);
-      }
+      gl.vertexAttribDivisor(index, b.divisor || 0);
     }
   };
 }
@@ -437,9 +433,7 @@ function uintAttribSetter(gl, index) {
       gl.enableVertexAttribArray(index);
       gl.vertexAttribIPointer(
           index, b.numComponents || b.size, b.type || UNSIGNED_INT, b.stride || 0, b.offset || 0);
-      if (b.divisor !== undefined) {
-        gl.vertexAttribDivisor(index, b.divisor);
-      }
+      gl.vertexAttribDivisor(index, b.divisor || 0);
     }
   };
 }
@@ -462,9 +456,7 @@ function matAttribSetter(gl, index, typeInfo) {
       gl.enableVertexAttribArray(index + i);
       gl.vertexAttribPointer(
           index + i, size, type, normalize, stride, offset + rowOffset * i);
-      if (b.divisor !== undefined) {
-        gl.vertexAttribDivisor(index + i, b.divisor);
-      }
+      gl.vertexAttribDivisor(index + i, b.divisor || 0);
     }
   };
 }