diff --git a/package-lock.json b/package-lock.json
index e1bd15a..12213fc 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "simple-svg-website-icons",
-  "version": "1.0.0-beta6",
+  "version": "1.0.0-beta7",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -545,11 +545,11 @@
       "resolved": "https://registry.npmjs.org/simple-svg-icons/-/simple-svg-icons-2.0.0.tgz",
       "integrity": "sha512-Zf9eGWIV+V8tV3OLowJJ3xPDT2DyuA+AToYKJyUz3pLSaJie8ak/aq5WvU4d1IPzZQJOn0dwe3LGHs5ZDsAoZA==",
       "requires": {
-        "simple-svg-icons-data": "git+https://github.com/simplesvg/icons.git#136aca86a02af52767f80191ec924185b5dc423c"
+        "simple-svg-icons-data": "git+https://github.com/simplesvg/icons.git#b4c059b3aefd5c54983d04e665a62bceb0446e1b"
       }
     },
     "simple-svg-icons-data": {
-      "version": "git+https://github.com/simplesvg/icons.git#136aca86a02af52767f80191ec924185b5dc423c",
+      "version": "git+https://github.com/simplesvg/icons.git#b4c059b3aefd5c54983d04e665a62bceb0446e1b",
       "from": "git+https://github.com/simplesvg/icons.git"
     },
     "statuses": {
diff --git a/package.json b/package.json
index 2d6d343..fb522ab 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "simple-svg-website-icons",
-  "version": "1.0.0-beta6",
+  "version": "1.0.0-beta7",
   "description": "Node.js version of icons.simplesvg.com",
   "main": "app.js",
   "scripts": {
diff --git a/src/collection.js b/src/collection.js
index 4e44ab9..e8a60f7 100644
--- a/src/collection.js
+++ b/src/collection.js
@@ -134,7 +134,7 @@ class Collection {
                     let checkCache = typeof defaultPrefix === 'string';
 
                     // Check cache
-                    if (checkCache && cache[defaultPrefix] !== void 0 && cache[defaultPrefix].length === file.length) {
+                    if (checkCache && cache[defaultPrefix] !== void 0 && cache[defaultPrefix].length === data.length) {
                         // If JSON file has same length, assume its the same file. Do not bother with hashing
                         fulfill(cache[defaultPrefix].collection);
                         return;
@@ -144,7 +144,7 @@ class Collection {
                     if (this.loaded) {
                         if (checkCache) {
                             cache[defaultPrefix] = {
-                                length: file.length,
+                                length: data.length,
                                 collection: this
                             };
                         }