diff --git a/lib/coffee-script/lexer.js b/lib/coffee-script/lexer.js
index 1cac1574..76deb0c1 100644
--- a/lib/coffee-script/lexer.js
+++ b/lib/coffee-script/lexer.js
@@ -238,6 +238,7 @@
       if (!(match = MULTI_DENT.exec(this.chunk))) return 0;
       indent = match[0];
       this.line += count(indent, '\n');
+      this.seenFor = false;
       prev = last(this.tokens, 1);
       size = indent.length - 1 - indent.lastIndexOf('\n');
       noNewlines = this.unfinished();
diff --git a/src/lexer.coffee b/src/lexer.coffee
index 621b4f77..1f6e81a8 100644
--- a/src/lexer.coffee
+++ b/src/lexer.coffee
@@ -241,6 +241,7 @@ exports.Lexer = class Lexer
     return 0 unless match = MULTI_DENT.exec @chunk
     indent = match[0]
     @line += count indent, '\n'
+    @seenFor = no
     prev = last @tokens, 1
     size = indent.length - 1 - indent.lastIndexOf '\n'
     noNewlines = @unfinished()
diff --git a/test/operators.coffee b/test/operators.coffee
index 08d2c2c0..e1aa2b7c 100644
--- a/test/operators.coffee
+++ b/test/operators.coffee
@@ -199,6 +199,10 @@ test "#1100: precedence in or-test compilation of `in`", ->
 
 test "#1630: `in` should check `hasOwnProperty`", ->
   ok undefined not in length: 1
+  
+test "#1714: lexer bug with raw range `for` followed by `in`", ->
+  0 for [1..10]
+  ok not ('a' in ['b'])
 
 
 # Chained Comparison