diff --git a/src/babel/transformation/modules/common.js b/src/babel/transformation/modules/common.js
index 3f43eda36f..90261a7b3b 100644
--- a/src/babel/transformation/modules/common.js
+++ b/src/babel/transformation/modules/common.js
@@ -20,7 +20,7 @@ export default class CommonJSFormatter extends DefaultFormatter {
       if (this.file.isLoose("es6.modules")) templateName += "-loose";
       var declar = util.template(templateName, true);
       declar._blockHoist = 3;
-      file.ast.program.body.unshift(declar);
+      file.path.unshiftContainer("body", [declar]);
     }
   }
 
diff --git a/src/babel/transformation/transformers/internal/strict.js b/src/babel/transformation/transformers/internal/strict.js
index 6ffe5f7467..d3f6a4ca00 100644
--- a/src/babel/transformation/transformers/internal/strict.js
+++ b/src/babel/transformation/transformers/internal/strict.js
@@ -13,6 +13,6 @@ export function Program(program, parent, scope, file) {
       }
     }
 
-    program.body.unshift(directive);
+    this.unshiftContainer("body", [directive]);
   }
 }
diff --git a/src/babel/traversal/path/index.js b/src/babel/traversal/path/index.js
index 3a89790f48..197e9a66bd 100644
--- a/src/babel/traversal/path/index.js
+++ b/src/babel/traversal/path/index.js
@@ -425,7 +425,7 @@ export default class TraversalPath {
    * Description
    */
 
-  insertOntoContainerStart(containerKey, nodes) {
+  unshiftContainer(containerKey, nodes) {
     nodes = this._verifyNodeList(nodes);
 
     // get the first path and insert our nodes before it, if it doesn't exist then it
@@ -441,7 +441,7 @@ export default class TraversalPath {
    * Description
    */
 
-  insertOntoContainerEnd(containerKey, nodes) {
+  pushContainer(containerKey, nodes) {
     nodes = this._verifyNodeList(nodes);
 
     // get an invisible path that represents the last node + 1 and replace it with our