diff --git a/src/babel/types/index.js b/src/babel/types/index.js
index 69eae978af..1bed2fe9b9 100644
--- a/src/babel/types/index.js
+++ b/src/babel/types/index.js
@@ -30,7 +30,8 @@ export const FOR_INIT_KEYS           = ["left", "init"];
 export const COMMENT_KEYS            = ["leadingComments", "trailingComments"];
 
 export const BOOLEAN_NUMBER_BINARY_OPERATORS = [">", "<", ">=", "<="];
-export const BOOLEAN_BINARY_OPERATORS        = ["==", "===", "!=", "!==", "in", "instanceof"].concat(BOOLEAN_NUMBER_BINARY_OPERATORS);
+export const COMPARISON_BINARY_OPERATORS     = ["==", "===", "!=", "!==", "in", "instanceof"];
+export const BOOLEAN_BINARY_OPERATORS        = [].concat(COMPARISON_BINARY_OPERATORS, BOOLEAN_NUMBER_BINARY_OPERATORS);
 export const NUMBER_BINARY_OPERATORS         = ["-", "/", "*", "**", "&", "|", ">>", ">>>", "<<", "^"];
 
 export const BOOLEAN_UNARY_OPERATORS = ["delete", "!"];