diff --git a/js/id/actions/reverse.js b/js/id/actions/reverse.js
index 7a1f74be7..461b5d9ac 100644
--- a/js/id/actions/reverse.js
+++ b/js/id/actions/reverse.js
@@ -29,7 +29,7 @@
       http://wiki.openstreetmap.org/wiki/Route#Members
       http://josm.openstreetmap.de/browser/josm/trunk/src/org/openstreetmap/josm/corrector/ReverseWayTagCorrector.java
  */
-iD.actions.Reverse = function(wayId) {
+iD.actions.Reverse = function(wayId, options) {
     var replacements = [
             [/:right$/, ':left'], [/:left$/, ':right'],
             [/:forward$/, ':backward'], [/:backward$/, ':forward']
@@ -59,6 +59,8 @@ iD.actions.Reverse = function(wayId) {
             return value.replace(numeric, function(_, sign) { return sign === '-' ? '' : '-'; });
         } else if (key === 'incline' || key === 'direction') {
             return {up: 'down', down: 'up'}[value] || value;
+        } else if (options && options.reverseOneway && key === 'oneway') {
+            return {yes: '-1', '1': '-1', '-1': 'yes'}[value] || value;
         } else {
             return {left: 'right', right: 'left'}[value] || value;
         }
diff --git a/js/id/geo/multipolygon.js b/js/id/geo/multipolygon.js
index a214d52ea..1248c2a96 100644
--- a/js/id/geo/multipolygon.js
+++ b/js/id/geo/multipolygon.js
@@ -81,7 +81,7 @@ iD.geo.joinWays = function(array, graph) {
     }
 
     function reverse(member) {
-        return member.tags ? iD.actions.Reverse(member.id)(graph).entity(member.id) : member;
+        return member.tags ? iD.actions.Reverse(member.id, {reverseOneway: true})(graph).entity(member.id) : member;
     }
 
     while (array.length) {
diff --git a/test/spec/actions/reverse.js b/test/spec/actions/reverse.js
index 9ddc29c7a..bd393e789 100644
--- a/test/spec/actions/reverse.js
+++ b/test/spec/actions/reverse.js
@@ -23,6 +23,24 @@ describe("iD.actions.Reverse", function () {
         expect(graph.entity(way.id).tags).to.eql({'oneway': 'yes'});
     });
 
+    it("reverses oneway tags if reverseOneway: true is provided", function () {
+        var graph = iD.Graph([
+                iD.Way({id: 'yes', tags: {oneway: 'yes'}}),
+                iD.Way({id: 'no', tags: {oneway: 'no'}}),
+                iD.Way({id: '1', tags: {oneway: '1'}}),
+                iD.Way({id: '-1', tags: {oneway: '-1'}})
+            ]);
+
+        expect(iD.actions.Reverse('yes', {reverseOneway: true})(graph)
+            .entity('yes').tags).to.eql({oneway: '-1'});
+        expect(iD.actions.Reverse('no', {reverseOneway: true})(graph)
+            .entity('no').tags).to.eql({oneway: 'no'});
+        expect(iD.actions.Reverse('1', {reverseOneway: true})(graph)
+            .entity('1').tags).to.eql({oneway: '-1'});
+        expect(iD.actions.Reverse('-1', {reverseOneway: true})(graph)
+            .entity('-1').tags).to.eql({oneway: 'yes'});
+    });
+
     it("transforms *:right=* ⟺ *:left=*", function () {
         var way = iD.Way({tags: {'cycleway:right': 'lane'}}),
             graph = iD.Graph([way]);
diff --git a/test/spec/geo/multipolygon.js b/test/spec/geo/multipolygon.js
index c4a512fc5..49680268d 100644
--- a/test/spec/geo/multipolygon.js
+++ b/test/spec/geo/multipolygon.js
@@ -86,11 +86,11 @@ describe("iD.geo.joinWays", function() {
                 iD.Node({id: 'b'}),
                 iD.Node({id: 'c'}),
                 iD.Way({id: '-', nodes: ['a', 'b']}),
-                iD.Way({id: '=', nodes: ['c', 'b'], tags: {'lanes:forward': 2}})
+                iD.Way({id: '=', nodes: ['c', 'b'], tags: {'oneway': 'yes', 'lanes:forward': 2}})
             ]);
 
         var result = iD.geo.joinWays([graph.entity('-'), graph.entity('=')], graph);
-        expect(result[0][1].tags).to.eql({'lanes:backward': 2});
+        expect(result[0][1].tags).to.eql({'oneway': '-1', 'lanes:backward': 2});
     });
 
     it("ignores non-way members", function() {