diff --git a/packages/plugin-ext/src/main/browser/terminal-main.ts b/packages/plugin-ext/src/main/browser/terminal-main.ts
index d412b1b114e84..2fc2369a21b4e 100644
--- a/packages/plugin-ext/src/main/browser/terminal-main.ts
+++ b/packages/plugin-ext/src/main/browser/terminal-main.ts
@@ -95,20 +95,22 @@ export class TerminalServiceMainImpl implements TerminalServiceMain, TerminalLin
     protected async trackTerminal(terminal: TerminalWidget): Promise<void> {
         let name = terminal.title.label;
         this.extProxy.$terminalCreated(terminal.id, name);
+
         const updateTitle = () => {
             if (name !== terminal.title.label) {
                 name = terminal.title.label;
                 this.extProxy.$terminalNameChanged(terminal.id, name);
             }
         };
-        terminal.title.changed.connect(updateTitle);
-        this.toDispose.push(Disposable.create(() => terminal.title.changed.disconnect(updateTitle)));
 
         const updateProcessId = () => terminal.processId.then(
             processId => this.extProxy.$terminalOpened(terminal.id, processId, terminal.terminalId, terminal.dimensions.cols, terminal.dimensions.rows),
             () => {/* no-op */ }
         );
+
         updateProcessId();
+        terminal.title.changed.connect(updateTitle);
+        this.toDispose.push(Disposable.create(() => terminal.title.changed.disconnect(updateTitle)));
         this.toDispose.push(terminal.onDidOpen(() => updateProcessId()));
         this.toDispose.push(terminal.onTerminalDidClose(term => this.extProxy.$terminalClosed(term.id, term.exitStatus)));
         this.toDispose.push(terminal.onSizeChanged(({ cols, rows }) => {
diff --git a/packages/plugin-ext/src/plugin/terminal-ext.ts b/packages/plugin-ext/src/plugin/terminal-ext.ts
index 7eceb6b1a489a..b38764f1d0758 100644
--- a/packages/plugin-ext/src/plugin/terminal-ext.ts
+++ b/packages/plugin-ext/src/plugin/terminal-ext.ts
@@ -189,7 +189,18 @@ export class TerminalServiceExtImpl implements TerminalServiceExt {
             terminal.deferredProcessId = new Deferred<number>();
             terminal.deferredProcessId.resolve(processId);
         }
-        const pseudoTerminal = this._pseudoTerminals.get(terminalId.toString());
+
+        // Switch the pseudoterminal keyed by terminalId to be keyed by terminal ID
+        const tId = terminalId.toString();
+        if (this._pseudoTerminals.has(tId)) {
+            const pseudo = this._pseudoTerminals.get(tId);
+            if (pseudo) {
+                this._pseudoTerminals.set(id, pseudo);
+            }
+            this._pseudoTerminals.delete(tId);
+        }
+
+        const pseudoTerminal = this._pseudoTerminals.get(id);
         if (pseudoTerminal) {
             pseudoTerminal.emitOnOpen(cols, rows);
         }