diff --git a/atom/browser/lib/rpc-server.js b/atom/browser/lib/rpc-server.js
index e9c192aef324..b3e6ddc78322 100644
--- a/atom/browser/lib/rpc-server.js
+++ b/atom/browser/lib/rpc-server.js
@@ -200,7 +200,7 @@ var callFunction = function(event, func, caller, args) {
     // them with the function name so it's easier to trace things like
     // `Error processing argument -1.`
     funcName = (ref = func.name) != null ? ref : "anonymous";
-    throw new Error("Could not call remote function `" + funcName + "`. Check that the function signature is correct. Underlying error: " + e.message);
+    throw new Error("Could not call remote function `" + funcName + "`. Check that the function signature is correct. Underlying error: " + error.message);
   }
 };
 
diff --git a/atom/common/lib/init.js b/atom/common/lib/init.js
index 1bfacb34a8ab..a4766c4a7f96 100644
--- a/atom/common/lib/init.js
+++ b/atom/common/lib/init.js
@@ -6,7 +6,7 @@ process.atomBinding = function(name) {
   try {
     return process.binding("atom_" + process.type + "_" + name);
   } catch (error) {
-    if (/No such module/.test(e.message)) {
+    if (/No such module/.test(error.message)) {
       return process.binding("atom_common_" + name);
     }
   }