diff --git a/emscripten/deps.js b/emscripten/deps.js
index ed8d82658dd6..4ad96eb5058e 100644
--- a/emscripten/deps.js
+++ b/emscripten/deps.js
@@ -7,7 +7,7 @@
  * OpenRCT2 is licensed under the GNU General Public License version 3.
  *****************************************************************************/
 var EmscriptenDeps = {
-    ExportPersistantData: () =>
+    ExportPersistentData: () =>
     {
         if (!window.JSZip)
         {
@@ -40,7 +40,7 @@ var EmscriptenDeps = {
             processFolder(folder);
             return zip;
         }
-        const zip = zipFolder("/persistant/");
+        const zip = zipFolder("/persistent/");
         zip.generateAsync({type: "blob"}).then(blob => {
             const a = document.createElement("a");
 
@@ -50,13 +50,41 @@ var EmscriptenDeps = {
             setTimeout(() => URL.revokeObjectURL(a.href), 1000);
         })
     },
-    ImportPersistantData: () =>
+    ImportPersistentData: () =>
     {
         if (!window.JSZip)
         {
             alert("JSZip library not found. Aborting");
             return;
         }
+        const clearDatabase = async function(dir) => {
+            await new Promise(res => Module.FS.syncfs(false, res));
+            const processFolder = (path) => {
+                let contents;
+                try {
+                    contents = Module.FS.readdir(path);
+                } catch(e) {
+                    return;
+                }
+                contents.forEach((entry) => {
+                    if ([".", ".."].includes(entry)) return;
+                    try {
+                        Module.FS.readFile(path + entry);
+                        Module.FS.unlink(path + entry);
+                    } catch(e) {
+                        processFolder(path + entry + "/");
+                    }
+                })
+                if (path === dir) return;
+                try {
+                    Module.FS.rmdir(path, {recursive: true});
+                } catch(e) {
+                    console.log("Could not remove:", path);
+                }
+            }
+            processFolder(dir);
+            await new Promise(res => Module.FS.syncfs(false, res));
+        };
         if (!confirm("Are you sure? This will wipe all current data.")) return;
         alert("Select a zip file");
         const input = document.createElement("input");
@@ -69,7 +97,7 @@ var EmscriptenDeps = {
                 alert("Not a zip file!");
                 return;
             }
-            await clearDatabase("/persistant/");
+            await clearDatabase("/persistent/");
             for (const k in zip.files) {
                 const entry = zip.files[k];
                 if (entry.dir) {
diff --git a/emscripten/static/index.js b/emscripten/static/index.js
index b0215dbbaaa4..c6265cca6e5a 100644
--- a/emscripten/static/index.js
+++ b/emscripten/static/index.js
@@ -42,8 +42,8 @@
             }
         });
 
-    Module.FS.mkdir("/persistant");
-    Module.FS.mount(Module.FS.filesystems.IDBFS, {autoPersist: true}, '/persistant');
+    Module.FS.mkdir("/persistent");
+    Module.FS.mount(Module.FS.filesystems.IDBFS, {autoPersist: true}, '/persistent');
 
     Module.FS.mkdir("/RCT");
     Module.FS.mount(Module.FS.filesystems.IDBFS, {autoPersist: true}, '/RCT');
@@ -53,10 +53,10 @@
 
     await new Promise(res => Module.FS.syncfs(true, res));
 
-    let configExists = fileExists("/persistant/config.ini");
+    let configExists = fileExists("/persistent/config.ini");
     if (!configExists)
     {
-        Module.FS.writeFile("/persistant/config.ini", `
+        Module.FS.writeFile("/persistent/config.ini", `
 [general]
 game_path = "/RCT"
 uncap_fps = true
@@ -69,11 +69,11 @@ window_scale = 1.750000
     Module.FS.writeFile("/OpenRCT2/changelog.txt", `EMSCRIPTEN --- README
 
 Since we're running in the web browser, we don't have direct access to the file system.
-All save data is saved under the directory /persistant.
+All save data is saved under the directory /persistent.
 
-ALWAYS be sure to save to /persistant/saves when saving a game! Otherwise it will be wiped!
+ALWAYS be sure to save to /persistent/saves when saving a game! Otherwise it will be wiped!
 
-You can import/export the /persistant folder in the options menu.`);
+You can import/export the /persistent folder in the options menu.`);
     document.getElementById("loadingWebassembly").remove();
 
     let filesFound = fileExists("/RCT/Data/ch.dat");
@@ -110,7 +110,7 @@ You can import/export the /persistant folder in the options menu.`);
         });
     }
     Module.canvas.style.display = "";
-    Module.callMain(["--user-data-path=/persistant/", "--openrct2-data-path=/OpenRCT2/"]);
+    Module.callMain(["--user-data-path=/persistent/", "--openrct2-data-path=/OpenRCT2/"]);
 })();
 
 async function updateAssets() {
diff --git a/src/openrct2-ui/windows/Options.cpp b/src/openrct2-ui/windows/Options.cpp
index f37760c56a2d..164390d9f660 100644
--- a/src/openrct2-ui/windows/Options.cpp
+++ b/src/openrct2-ui/windows/Options.cpp
@@ -49,8 +49,8 @@
 #ifdef __EMSCRIPTEN__
     #include <emscripten.h>
 extern "C" {
-extern void ExportPersistantData();
-extern void ImportPersistantData();
+extern void ExportPersistentData();
+extern void ImportPersistentData();
 }
 #endif
 
@@ -1991,10 +1991,10 @@ namespace OpenRCT2::Ui::Windows
                     break;
 #ifdef __EMSCRIPTEN__
                 case WIDX_EXPORT_EMSCRIPTEN_DATA:
-                    ExportPersistantData();
+                    ExportPersistentData();
                     break;
                 case WIDX_IMPORT_EMSCRIPTEN_DATA:
-                    ImportPersistantData();
+                    ImportPersistentData();
                     break;
 #endif
             }