diff --git a/src/ol/format/gmlformat.js b/src/ol/format/gmlformat.js
index 5810158b11..3da9e476a3 100644
--- a/src/ol/format/gmlformat.js
+++ b/src/ol/format/gmlformat.js
@@ -381,7 +381,8 @@ ol.format.GML.readEnvelope_ = function(node, objectStack) {
  */
 ol.format.GML.readFlatCoordinatesFromNode_ = function(node, objectStack) {
   goog.asserts.assert(node.nodeType == goog.dom.NodeType.ELEMENT);
-  return /** @type {Array.<number>} */ (ol.xml.pushParseAndPop(null,
+  return /** @type {Array.<number>} */ (ol.xml.pushParseAndPop(
+      node.getAttribute('srsDimension'),
       ol.format.GML.GEOMETRY_FLAT_COORDINATES_PARSERS_, node, objectStack));
 };
 
@@ -408,15 +409,19 @@ ol.format.GML.readFlatPos_ = function(node) {
 
 /**
  * @param {Node} node Node.
+ * @param {Array.<*>} objectStack Object stack.
  * @private
  * @return {Array.<number>|undefined} Flat coordinates.
  */
-ol.format.GML.readFlatPosList_ = function(node) {
+ol.format.GML.readFlatPosList_ = function(node, objectStack) {
+  var containerDimension = objectStack[objectStack.length - 1];
   var s = ol.xml.getAllTextContent(node, false).replace(/^\s*|\s*$/g, '');
   var coords = s.split(/\s+/);
   // The "dimension" attribute is from the GML 3.0.1 spec.
   var dim = parseInt(node.getAttribute('srsDimension') ||
-      node.getAttribute('dimension'), 10) || 2;
+      node.getAttribute('dimension'), 10) ||
+      (goog.isString(containerDimension)) ?
+      parseInt(containerDimension, 10) : 2;
   var x, y, z;
   var flatCoordinates = [];
   for (var i = 0, ii = coords.length; i < ii; i += dim) {
diff --git a/test/spec/ol/format/gmlformat.test.js b/test/spec/ol/format/gmlformat.test.js
index d2d7310b02..4698b4e009 100644
--- a/test/spec/ol/format/gmlformat.test.js
+++ b/test/spec/ol/format/gmlformat.test.js
@@ -38,6 +38,21 @@ describe('ol.format.GML', function() {
 
     });
 
+    describe('linestring 3D', function() {
+
+      it('can read a linestring 3D geometry', function() {
+        var text =
+            '<gml:LineString xmlns:gml="http://www.opengis.net/gml" ' +
+            '    srsName="foo" srsDimension="3">' +
+            '  <gml:posList>1 2 3 4 5 6</gml:posList>' +
+            '</gml:LineString>';
+        var g = format.readGeometry(text);
+        expect(g).to.be.an(ol.geom.LineString);
+        expect(g.getCoordinates()).to.eql([[1, 2, 3], [4, 5, 6]]);
+      });
+
+    });
+
     describe('polygon', function() {
 
       it('can read a polygon geometry', function() {