diff --git a/src/grammar.ne b/src/grammar.ne
index e5f749a..eb866b0 100644
--- a/src/grammar.ne
+++ b/src/grammar.ne
@@ -58,6 +58,7 @@ const field = d => {
       path: d[0].name.split('.').filter(Boolean),
       quoted: d[0].quoted,
       quotes: d[0].quotes,
+      location: d[0].location,
     },
     ...d[3]
   }
@@ -98,9 +99,9 @@ side ->
   | query {% d => ({field: {name: '<implicit>'}, ...d[0]}) %}
 
 field ->
-    [_a-zA-Z$] [a-zA-Z\d_$.]:* {% d => ({name: d[0] + d[1].join(''), quoted: false}) %}
-  | sqstring {% d => ({name: d[0], quoted: true, quotes: 'single'}) %}
-  | dqstring {% d => ({name: d[0], quoted: true, quotes: 'double'}) %}
+    [_a-zA-Z$] [a-zA-Z\d_$.]:* {% (data, location) => ({name: data[0] + data[1].join(''), quoted: false, location}) %}
+  | sqstring {% (data, location) => ({name: data[0], quoted: true, quotes: 'single', location}) %}
+  | dqstring {% (data, location) => ({name: data[0], quoted: true, quotes: 'double', location}) %}
 
 query ->
     relational_operator _ decimal {% d => ({quoted: false, query: d[2], relationalOperator: d[0][0]}) %}
diff --git a/src/grammar.ts b/src/grammar.ts
index eacdbe9..54df8d3 100644
--- a/src/grammar.ts
+++ b/src/grammar.ts
@@ -56,6 +56,7 @@ const field = d => {
       path: d[0].name.split('.').filter(Boolean),
       quoted: d[0].quoted,
       quotes: d[0].quotes,
+      location: d[0].location,
     },
     ...d[3]
   }
@@ -231,9 +232,9 @@ const grammar: Grammar = {
     {"name": "side", "symbols": ["query"], "postprocess": d => ({field: {name: '<implicit>'}, ...d[0]})},
     {"name": "field$ebnf$1", "symbols": []},
     {"name": "field$ebnf$1", "symbols": ["field$ebnf$1", /[a-zA-Z\d_$.]/], "postprocess": (d) => d[0].concat([d[1]])},
-    {"name": "field", "symbols": [/[_a-zA-Z$]/, "field$ebnf$1"], "postprocess": d => ({name: d[0] + d[1].join(''), quoted: false})},
-    {"name": "field", "symbols": ["sqstring"], "postprocess": d => ({name: d[0], quoted: true, quotes: 'single'})},
-    {"name": "field", "symbols": ["dqstring"], "postprocess": d => ({name: d[0], quoted: true, quotes: 'double'})},
+    {"name": "field", "symbols": [/[_a-zA-Z$]/, "field$ebnf$1"], "postprocess": (data, location) => ({name: data[0] + data[1].join(''), quoted: false, location})},
+    {"name": "field", "symbols": ["sqstring"], "postprocess": (data, location) => ({name: data[0], quoted: true, quotes: 'single', location})},
+    {"name": "field", "symbols": ["dqstring"], "postprocess": (data, location) => ({name: data[0], quoted: true, quotes: 'double', location})},
     {"name": "query", "symbols": ["relational_operator", "_", "decimal"], "postprocess": d => ({quoted: false, query: d[2], relationalOperator: d[0][0]})},
     {"name": "query", "symbols": ["decimal"], "postprocess": d => ({quoted: false, query: d.join('')})},
     {"name": "query", "symbols": ["regex"], "postprocess": d => ({quoted: false, regex: true, query: d.join('')})},
diff --git a/test/liqe/parse.ts b/test/liqe/parse.ts
index c9a3d38..f5f915c 100644
--- a/test/liqe/parse.ts
+++ b/test/liqe/parse.ts
@@ -195,6 +195,7 @@ test('foo:null', testQuery, {
 
 test('foo.bar:baz', testQuery, {
   field: {
+    location: 0,
     name: 'foo.bar',
     path: [
       'foo',
@@ -206,6 +207,7 @@ test('foo.bar:baz', testQuery, {
 
 test('foo_bar:baz', testQuery, {
   field: {
+    location: 0,
     name: 'foo_bar',
   },
   query: 'baz',
@@ -213,6 +215,7 @@ test('foo_bar:baz', testQuery, {
 
 test('$foo:baz', testQuery, {
   field: {
+    location: 0,
     name: '$foo',
   },
   query: 'baz',
@@ -220,6 +223,7 @@ test('$foo:baz', testQuery, {
 
 test('"foo bar":baz', testQuery, {
   field: {
+    location: 0,
     name: 'foo bar',
     quoted: true,
     quotes: 'double',
@@ -229,6 +233,7 @@ test('"foo bar":baz', testQuery, {
 
 test('\'foo bar\':baz', testQuery, {
   field: {
+    location: 0,
     name: 'foo bar',
     quoted: true,
     quotes: 'single',