diff --git a/src/code-store.js b/src/code-store.js
index 5467901d..50d99deb 100644
--- a/src/code-store.js
+++ b/src/code-store.js
@@ -35,5 +35,5 @@ export const fromUrl = data => {
 };
 export const updateCodeStore = newState => {
   codeStore.set(newState);
-  push('/edit/' + Base64.encodeURI(JSON.stringify(newState)))
+  replace('/edit/' + Base64.encodeURI(JSON.stringify(newState)))
 };
diff --git a/src/components/Config.svelte b/src/components/Config.svelte
index dc36da2f..f403f52b 100644
--- a/src/components/Config.svelte
+++ b/src/components/Config.svelte
@@ -38,7 +38,7 @@ const handleConfUpdate =  conf => {
 		console.log('Error in parsed', e);
 		configErrorStore.set(e);
 		const str = JSON.stringify({ code, mermaid: oldConf });
-		push('/edit/' + Base64.encodeURI(str))
+		replace('/edit/' + Base64.encodeURI(str))
 	}
 };
 
diff --git a/src/components/Editor.svelte b/src/components/Editor.svelte
index 405a655d..d1b02957 100644
--- a/src/components/Editor.svelte
+++ b/src/components/Editor.svelte
@@ -36,7 +36,7 @@ const handleCodeUpdate = code => {
 			codeErrorStore.set(e);
 			console.log('Error in parsed', e.hash);
 			const str = JSON.stringify({ code: code, mermaid: conf });
-			push('/edit/' + Base64.encodeURI(str))
+			replace('/edit/' + Base64.encodeURI(str))
 			const l = e.hash.line;
 			decArr.push(edit.deltaDecorations([], [
 				{ range: new monaco.Range(e.hash.loc.first_line,e.hash.loc.last_line,e.hash.loc.first_column,e.hash.loc.last_column), options: { inlineClassName: 'myInlineDecoration' }}]