diff --git a/packages/tui/src/terminal-image.ts b/packages/tui/src/terminal-image.ts
index 64703bf48..c1f682dff 100644
--- a/packages/tui/src/terminal-image.ts
+++ b/packages/tui/src/terminal-image.ts
@@ -128,7 +128,10 @@ function detectCapabilitiesFromEnvironment(tmuxForwardsHyperlink: () => boolean)
 		return { images: null, trueColor: true, hyperlinks: true };
 	}
 
-	if (termProgram === "alacritty" || termProgram === "vscode" || termProgram === "zed") {
+	// Alacritty does not set TERM_PROGRAM. It sets TERM=alacritty when its terminfo entry is
+	// installed (otherwise xterm-256color) and ALACRITTY_WINDOW_ID on Unix and macOS.
+	const isAlacritty = termProgram === "alacritty" || term.startsWith("alacritty") || process.env.ALACRITTY_WINDOW_ID;
+	if (isAlacritty || termProgram === "vscode" || termProgram === "zed") {
 		return { images: null, trueColor: true, hyperlinks: true };
 	}
 
diff --git a/packages/tui/test/terminal-image.test.ts b/packages/tui/test/terminal-image.test.ts
index 0ae5bd8b4..2a96f78d2 100644
--- a/packages/tui/test/terminal-image.test.ts
+++ b/packages/tui/test/terminal-image.test.ts
@@ -43,6 +43,7 @@ const ENV_KEYS = [
 	"WEZTERM_PANE",
 	"ITERM_SESSION_ID",
 	"WT_SESSION",
+	"ALACRITTY_WINDOW_ID",
 	"CMUX_WORKSPACE_ID",
 	"WARP_SESSION_ID",
 	"WARP_TERMINAL_SESSION_UUID",
@@ -445,6 +446,15 @@ describe("detectCapabilities", () => {
 		});
 	});
 
+	it("enables hyperlinks for Alacritty without TERM_PROGRAM", () => {
+		withEnv({ TERM: "alacritty", COLORTERM: "truecolor" }, () => {
+			assert.deepStrictEqual(detectCapabilities(), { images: null, trueColor: true, hyperlinks: true });
+		});
+		withEnv({ TERM: "xterm-256color", COLORTERM: "truecolor", ALACRITTY_WINDOW_ID: "1" }, () => {
+			assert.deepStrictEqual(detectCapabilities(), { images: null, trueColor: true, hyperlinks: true });
+		});
+	});
+
 	it("enables Alacritty capabilities for Zed", () => {
 		withEnv({ TERM_PROGRAM: "zed" }, () => {
 			assert.deepStrictEqual(detectCapabilities(), { images: null, trueColor: true, hyperlinks: true });