diff --git a/lib/ace/mode/css/csslint.js b/lib/ace/mode/css/csslint.js
index d46b0aa19d7..f0217552a7f 100644
--- a/lib/ace/mode/css/csslint.js
+++ b/lib/ace/mode/css/csslint.js
@@ -1877,10 +1877,12 @@ Parser.prototype = function() {
 
                     value = new PropertyName(propertyName, hack, line || token.startLine, col || token.startCol);
                     this._readWhitespace();
-                } else if (tokenStream.peek() === Tokens.RBRACE) {
-                    // Encountered when there are no more properties.
                 } else {
-                    this._unexpectedToken(tokenStream.LT(1));
+                    var tt = tokenStream.peek();
+                    // If this isn't an right brace or the end of the file throw an SyntaxError.
+                    if (tt !== Tokens.EOF && tt !== Tokens.RBRACE) {
+                        this._unexpectedToken(tokenStream.LT(1));
+                    }
                 }
 
                 return value;
@@ -3129,7 +3131,7 @@ Parser.prototype = function() {
                         if (tt === Tokens.SEMICOLON) {
                             // if there's a semicolon, then there might be another declaration
                             this._readDeclarations(false, readMargins);
-                        } else if (tt !== Tokens.RBRACE) {
+                        } else if (tt !== Tokens.EOF && tt !== Tokens.RBRACE) {
                             // if there's a right brace, the rule is finished so don't do anything
                             // otherwise, rethrow the error because it wasn't handled properly
                             throw ex;