diff --git a/src/vs/platform/auxiliaryWindow/electron-main/auxiliaryWindow.ts b/src/vs/platform/auxiliaryWindow/electron-main/auxiliaryWindow.ts
index b2c628e75ab..50ea2960fdd 100644
--- a/src/vs/platform/auxiliaryWindow/electron-main/auxiliaryWindow.ts
+++ b/src/vs/platform/auxiliaryWindow/electron-main/auxiliaryWindow.ts
@@ -98,9 +98,14 @@ export class AuxiliaryWindow extends BaseWindow implements IAuxiliaryWindow {
 			// Lifecycle
 			this.lifecycleMainService.registerAuxWindow(this);
 
-			// Hide macOS traffic light buttons for frameless windows
-			if (isMacintosh && options?.frame === false) {
-				window.setWindowButtonVisibility(false);
+			// Allow frameless windows to size down to their content
+			if (options?.frame === false) {
+				window.setMinimumSize(1, 1);
+
+				// Hide macOS traffic light buttons
+				if (isMacintosh) {
+					window.setWindowButtonVisibility(false);
+				}
 			}
 
 			// Disable resizing for non-resizable windows
diff --git a/src/vs/platform/windows/electron-main/windows.ts b/src/vs/platform/windows/electron-main/windows.ts
index 6e312e95377..7c4f02efdfa 100644
--- a/src/vs/platform/windows/electron-main/windows.ts
+++ b/src/vs/platform/windows/electron-main/windows.ts
@@ -243,8 +243,8 @@ export function defaultBrowserWindowOptions(accessor: ServicesAccessor, windowSt
 		options.frame = false;
 		options.titleBarStyle = undefined;
 		options.titleBarOverlay = undefined;
-		options.minWidth = undefined;
-		options.minHeight = undefined;
+		options.minWidth = 1;
+		options.minHeight = 1;
 	}
 
 	if (overrides?.backgroundColor) {