diff --git a/dist/utils/index.js b/dist/utils/index.js
index 2431ab0..61135e2 100644
--- a/dist/utils/index.js
+++ b/dist/utils/index.js
@@ -189,7 +189,6 @@ const extractToLib = exports.extractToLib = file => {
   } else {
     _rimraf2.default.sync(extractDir);
     _fsExtra2.default.mkdirSync(extractDir);
-    return Promise.resolve(extractDir);
   }
 
   if (_path2.default.extname(file) === ".zip") {
@@ -203,7 +202,8 @@ const extractToLib = exports.extractToLib = file => {
         }
       });
     });
-  } else {
+  } 
+  else if (_path2.default.extname(file) === ".tar") {
     return new Promise((resolve, reject) => {
       (0, _child_process.spawn)("tar", ["zxf", file], {
         cwd: extractDir,
@@ -218,6 +218,9 @@ const extractToLib = exports.extractToLib = file => {
       });
     });
   }
+  else {
+    return Promise.resolve(extractDir);
+  }
 };
 
 /**
diff --git a/package.json b/package.json
index 737bbc4..c94b940 100644
--- a/package.json
+++ b/package.json
@@ -17,7 +17,7 @@
   },
   "repository": {
     "type": "git",
-    "url": "git+https://github.com/sgraham785/flywaydb-cli.git"
+    "url": "git+https://github.com/jitterbox/flywaydb-cli.git"
   },
   "keywords": [
     "flyway",
@@ -28,9 +28,9 @@
   "author": "Sean Graham",
   "license": "Apache-2.0",
   "bugs": {
-    "url": "https://github.com/sgraham785/flywaydb-cli/issues"
+    "url": "https://github.com/jitterbox/flywaydb-cli/issues"
   },
-  "homepage": "https://github.com/sgraham785/flywaydb-cli#readme",
+  "homepage": "https://github.com/jitterbox/flywaydb-cli#readme",
   "dependencies": {
     "extract-zip": "^1.6.5",
     "filesize": "^3.5.9",
diff --git a/src/utils/index.js b/src/utils/index.js
index 36fab1c..9f92853 100644
--- a/src/utils/index.js
+++ b/src/utils/index.js
@@ -169,12 +169,11 @@ export const extractToLib = file => {
   } else {
     rimraf.sync(extractDir);
     fs.mkdirSync(extractDir);
-    return Promise.resolve(extractDir);
   }
 
   if (path.extname(file) === ".zip") {
-    return new Promise((resolve, reject) => {
-      extractZip(file, { dir: extractDir }, err => {
+    return new Promise(function(resolve, reject) {
+      extractZip(file, { dir: extractDir }, function(err) {
         if (err) {
           console.error("Error extracting zip", err);
           reject(new Error("Error extracting zip"));
@@ -183,12 +182,12 @@ export const extractToLib = file => {
         }
       });
     });
-  } else {
-    return new Promise((resolve, reject) => {
-      spawn("tar", ["zxf", file], {
+  } else if (path.extname(file) === ".tar") {
+    return new Promise(function(resolve, reject) {
+      child_process.spawn("tar", ["zxf", file], {
         cwd: extractDir,
         stdio: "inherit"
-      }).on("close", code => {
+      }).on("close", function(code) {
         if (code === 0) {
           resolve(extractDir);
         } else {
@@ -197,6 +196,8 @@ export const extractToLib = file => {
         }
       });
     });
+  } else {
+    return Promise.resolve(extractDir);
   }
 };