diff --git a/lib/gui/app/components/drive-selector/drive-selector.tsx b/lib/gui/app/components/drive-selector/drive-selector.tsx
index f3575989..cd5951ca 100644
--- a/lib/gui/app/components/drive-selector/drive-selector.tsx
+++ b/lib/gui/app/components/drive-selector/drive-selector.tsx
@@ -305,9 +305,9 @@ export class DriveSelector extends React.Component<
 			case compatibility.system():
 				return warning.systemDrive();
 			case compatibility.tooSmall():
-				const recommendedDriveSize =
+				const size =
 					this.state.image?.recommendedDriveSize || this.state.image?.size || 0;
-				return warning.unrecommendedDriveSize({ recommendedDriveSize }, drive);
+				return warning.tooSmall({ size }, drive);
 		}
 	}
 
diff --git a/lib/shared/messages.ts b/lib/shared/messages.ts
index c0c1e81c..7a28cb7f 100644
--- a/lib/shared/messages.ts
+++ b/lib/shared/messages.ts
@@ -81,13 +81,10 @@ export const compatibility = {
 } as const;
 
 export const warning = {
-	unrecommendedDriveSize: (
-		image: { recommendedDriveSize: number },
-		drive: { device: string; size: number },
-	) => {
+	tooSmall: (source: { size: number }, target: { size: number }) => {
 		return outdent({ newline: ' ' })`
-			This image recommends a ${prettyBytes(image.recommendedDriveSize)}
-			drive, however ${drive.device} is only ${prettyBytes(drive.size)}.
+			The selected source is ${prettyBytes(source.size - target.size)}
+			larger than this drive.
 		`;
 	},