diff --git a/packages/babel/src/generation/generators/expressions.js b/packages/babel/src/generation/generators/expressions.js
index 8d380dc507..ebfb6d0211 100644
--- a/packages/babel/src/generation/generators/expressions.js
+++ b/packages/babel/src/generation/generators/expressions.js
@@ -8,6 +8,13 @@ import * as t from "../../types";
 
 const SCIENTIFIC_NOTATION = /e/i;
 
+/**
+ * RegExp for testing if a numeric literal is
+ * a BinaryIntegerLiteral, OctalIntegerLiteral or HexIntegerLiteral.
+ */
+
+const NON_DECIMAL_NUMERIC_LITERAL = /^0(b|o|x)/i;
+
 /**
  * Prints UnaryExpression, prints operator and argument.
  */
@@ -280,7 +287,8 @@ export function MemberExpression(node, print) {
   } else {
     if (t.isLiteral(node.object)) {
       var val = this._Literal(node.object);
-      if (isInteger(+val) && !SCIENTIFIC_NOTATION.test(val) && !this.endsWith(".")) {
+      if (isInteger(+val) && !SCIENTIFIC_NOTATION.test(val) && !this.endsWith(".")
+        && !NON_DECIMAL_NUMERIC_LITERAL.test(val)) {
         this.push(".");
       }
     }
diff --git a/packages/babel/test/fixtures/generation/types/MemberExpression/actual.js b/packages/babel/test/fixtures/generation/types/MemberExpression/actual.js
index b1b488aa12..2d3ab6715a 100644
--- a/packages/babel/test/fixtures/generation/types/MemberExpression/actual.js
+++ b/packages/babel/test/fixtures/generation/types/MemberExpression/actual.js
@@ -9,3 +9,6 @@ foo[test()][bar()];
 
 0..toString();
 0.5.toString();
+0b111.toString(16);
+0o111.toString(16);
+0x111.toString(16);
diff --git a/packages/babel/test/fixtures/generation/types/MemberExpression/expected.js b/packages/babel/test/fixtures/generation/types/MemberExpression/expected.js
index b1b488aa12..2d3ab6715a 100644
--- a/packages/babel/test/fixtures/generation/types/MemberExpression/expected.js
+++ b/packages/babel/test/fixtures/generation/types/MemberExpression/expected.js
@@ -9,3 +9,6 @@ foo[test()][bar()];
 
 0..toString();
 0.5.toString();
+0b111.toString(16);
+0o111.toString(16);
+0x111.toString(16);