diff --git a/src/extension.ts b/src/extension.ts
index dfa32e2..9be069a 100644
--- a/src/extension.ts
+++ b/src/extension.ts
@@ -6,6 +6,9 @@ import { documentationLinkMap, getPremiumCertLink } from './util/documentation';
 import { runCommand } from './util/scripts';
 import { looksLikePath, resolvePath, findWorkspaceRoot } from './util/path';
 
+let cppcheckProgressIndicator: vscode.StatusBarItem;
+let checksRunning = false;
+
 enum SeverityNumber {
     Info = 0,
     Warning = 1,
@@ -64,6 +67,15 @@ function parseMinSeverity(str: string): SeverityNumber {
     }
 }
 
+function updateProgressIndicator(): void {
+	if (checksRunning) {
+		cppcheckProgressIndicator.text = `$(loading~spin) Cppcheck Running ..`;
+		cppcheckProgressIndicator.show();
+	} else {
+		cppcheckProgressIndicator.hide();
+	}
+}
+
 // This method is called when your extension is activated.
 // Your extension is activated the very first time the command is executed.
 export async function activate(context: vscode.ExtensionContext) {
@@ -81,6 +93,10 @@ export async function activate(context: vscode.ExtensionContext) {
         )
     );
 
+    // ProgressIndicator status bar item to show when checks are running
+	cppcheckProgressIndicator = vscode.window.createStatusBarItem(vscode.StatusBarAlignment.Left, 10);
+	context.subscriptions.push(cppcheckProgressIndicator);
+
     // Create a diagnostic collection.
     const diagnosticCollection = vscode.languages.createDiagnosticCollection("Cppcheck");
     context.subscriptions.push(diagnosticCollection);
@@ -203,6 +219,9 @@ async function runCppcheckOnFileXML(
     minSevString: string,
     diagnosticCollection: vscode.DiagnosticCollection
 ): Promise<void> {
+    checksRunning = true;
+    updateProgressIndicator();
+
     // Clear existing diagnostics for this file
     diagnosticCollection.delete(document.uri);
 
@@ -352,6 +371,9 @@ async function runCppcheckOnFileXML(
             diagnosticCollection.set(document.uri, diagnostics);
         });
     });
+
+    checksRunning = false;
+    updateProgressIndicator();
 }
 
 // This method is called when your extension is deactivated