diff --git a/macos/error.c b/macos/error.c
index 35b4a16..76438dd 100644
--- a/macos/error.c
+++ b/macos/error.c
@@ -12,12 +12,8 @@
 #include <TextUtils.h>
 
 enum {
-	// OK
-	kStrOK = 1,
-	// Quit
-	kStrQuit,
 	// An error of type ^2 occurred.
-	kStrErrorCode,
+	kStrErrorCode = 1,
 	// Error at: ^1:^2
 	kStrErrorAt,
 	// Assertion: ^1
@@ -69,13 +65,10 @@ static void AppendError2(struct PStrBuilder *str, int sep, int strNum,
 	AppendErrorArray(str, sep, strNum, 2, params);
 }
 
-static void ShowErrorAlert(const unsigned char *message, int button)
+static void ShowErrorAlert(const unsigned char *message, int id)
 {
-	Str255 buttonText;
-
-	GetIndString(buttonText, rSTRS_Errors, button);
-	ParamText(message, buttonText, NULL, NULL);
-	Alert(rAlrtError, NULL);
+	ParamText(message, NULL, NULL, NULL);
+	Alert(id, NULL);
 }
 
 void ExitAssert(const unsigned char *file, int line,
@@ -91,7 +84,7 @@ void ExitAssert(const unsigned char *file, int line,
 	if (assertion != NULL) {
 		AppendError1(&str, '\r', kStrAssertion, assertion);
 	}
-	ShowErrorAlert(str.data, kStrQuit);
+	ShowErrorAlert(str.data, rAlrtFatal);
 	QuitApp();
 }
 
@@ -113,7 +106,7 @@ void ShowError(ErrorCode err1, ErrorCode err2, short osErr,
 	if (str.data[0] == 0) {
 		AppendError0(&str, ' ', kStrUnknown);
 	}
-	ShowErrorAlert(str.data, kStrOK);
+	ShowErrorAlert(str.data, rAlrtError);
 }
 
 void ShowMemError(void)
diff --git a/macos/resources.h b/macos/resources.h
index fecf35a..ac76469 100644
--- a/macos/resources.h
+++ b/macos/resources.h
@@ -11,6 +11,7 @@
 
 /* ALRT Error dialog */
 #define rAlrtError 128
+#define rAlrtFatal 129
 
 /* CNTL Controls */
 #define rCNTL_ChooseFolder 128
diff --git a/macos/resources.r b/macos/resources.r
index 7bffd07..61bcfbf 100644
--- a/macos/resources.r
+++ b/macos/resources.r
@@ -18,12 +18,24 @@ resource 'ALRT' (rAlrtError, purgeable) {
 	centerMainScreen
 };
 
+resource 'ALRT' (rAlrtFatal, purgeable) {
+	{ 40, 40, 141, 360 },
+	129, /* DITL ID */
+	{
+		OK, visible, sound1,
+		OK, visible, sound1,
+		OK, visible, sound1,
+		OK, visible, sound1,
+	},
+	centerMainScreen
+};
+
 /* See Macintosh Human Interface Guidelines (1992) p. 197 "Basic Dialog Box Layout" */
 /* Note that there are an extra 3px of margin for "free" on the dialog border. */
 resource 'DITL' (128, purgeable) {{
 	/* Quit button: 13px margin */
 	{ 71, 240, 91, 310 },
-	Button { enabled, "Quit" },
+	Button { enabled, "OK" },
 	/* Error text: 13px margin, 3 lines @ 16px line height */
 	{ 10, 75, 58, 310 },
 	StaticText { enabled, "^0" },
@@ -32,6 +44,15 @@ resource 'DITL' (128, purgeable) {{
 	Icon { enabled, 0 },
 }};
 
+resource 'DITL' (129, purgeable) {{
+	{ 71, 240, 91, 310 },
+	Button { enabled, "Quit" },
+	{ 10, 75, 58, 310 },
+	StaticText { enabled, "^0" },
+	{ 10, 20, 42, 52 },
+	Icon { enabled, 0 },
+}};
+
 resource 'DLOG' (rDLOG_OpenFolder, purgeable) {
 	/* Height += 31 */
 	{0, 0, 197, 344},
@@ -39,13 +60,13 @@ resource 'DLOG' (rDLOG_OpenFolder, purgeable) {
 	invisible,
 	noGoAway,
 	0,
-	129,
+	130,
 	"",
 	noAutoCenter,
 };
 
 /* Open Folder, based on system -6042 */
-resource 'DITL' (129, purgeable) {{
+resource 'DITL' (130, purgeable) {{
 	/* Standard file (do not change, see IM: Files 3-18) */
 	{135, 252, 155, 332},
 	Button {enabled, "Open"},
@@ -119,8 +140,6 @@ resource 'BNDL' (128, purgeable) {
 };
 
 resource 'STR#' (rSTRS_Errors) {{
-	"OK",
-	"Quit",
 	"An error of type ^2 occurred.",
 	"Error at: ^1:^2",
 	"Assertion: ^1",