diff --git a/bundles/org.eclipse.swt/Eclipse SWT PI/cocoa/org/eclipse/swt/internal/cocoa/AppKitFull.bridgesupport.extras b/bundles/org.eclipse.swt/Eclipse SWT PI/cocoa/org/eclipse/swt/internal/cocoa/AppKitFull.bridgesupport.extras
index b43990cb1d..e712d20813 100644
--- a/bundles/org.eclipse.swt/Eclipse SWT PI/cocoa/org/eclipse/swt/internal/cocoa/AppKitFull.bridgesupport.extras	
+++ b/bundles/org.eclipse.swt/Eclipse SWT PI/cocoa/org/eclipse/swt/internal/cocoa/AppKitFull.bridgesupport.extras	
@@ -2376,6 +2376,9 @@
 			<arg swt_gen="true"></arg>
 			<retval swt_gen="true"></retval>
 		</method>
+		<method selector="sizeToFit" swt_gen="true">
+			<retval swt_gen="true"></retval>
+		</method>
 		<method selector="startAnimation:" swt_gen="true">
 			<arg swt_gen="true"></arg>
 			<retval swt_gen="true"></retval>
@@ -4491,7 +4494,6 @@
 	<enum name="NSPortraitOrientation" swt_gen="true"></enum>
 	<enum name="NSPrintPanelShowsPageSetupAccessory" swt_gen="true"></enum>
 	<enum name="NSPrintPanelShowsPrintSelection" swt_gen="true"></enum>
-	<enum name="NSProgressIndicatorPreferredThickness" swt_gen="true"></enum>
 	<enum name="NSColorSpaceModelRGB" swt_gen="true"></enum>
 
 	<enum name="NSRegularSquareBezelStyle" swt_gen="true"></enum>
diff --git a/bundles/org.eclipse.swt/Eclipse SWT PI/cocoa/org/eclipse/swt/internal/cocoa/NSProgressIndicator.java b/bundles/org.eclipse.swt/Eclipse SWT PI/cocoa/org/eclipse/swt/internal/cocoa/NSProgressIndicator.java
index 3397ada72d..d430ad015e 100644
--- a/bundles/org.eclipse.swt/Eclipse SWT PI/cocoa/org/eclipse/swt/internal/cocoa/NSProgressIndicator.java	
+++ b/bundles/org.eclipse.swt/Eclipse SWT PI/cocoa/org/eclipse/swt/internal/cocoa/NSProgressIndicator.java	
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2000, 2019 IBM Corporation and others.
+ * Copyright (c) 2000, 2026 IBM Corporation and others.
  *
  * This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License 2.0
@@ -7,9 +7,6 @@
  * https://www.eclipse.org/legal/epl-2.0/
  *
  * SPDX-License-Identifier: EPL-2.0
- *
- * Contributors:
- *    IBM Corporation - initial API and implementation
  *******************************************************************************/
 package org.eclipse.swt.internal.cocoa;
 
@@ -63,6 +60,10 @@ public void setUsesThreadedAnimation(boolean usesThreadedAnimation) {
 	OS.objc_msgSend(this.id, OS.sel_setUsesThreadedAnimation_, usesThreadedAnimation);
 }
 
+public void sizeToFit() {
+	OS.objc_msgSend(this.id, OS.sel_sizeToFit);
+}
+
 public void startAnimation(id sender) {
 	OS.objc_msgSend(this.id, OS.sel_startAnimation_, sender != null ? sender.id : 0);
 }
diff --git a/bundles/org.eclipse.swt/Eclipse SWT PI/cocoa/org/eclipse/swt/internal/cocoa/OS.java b/bundles/org.eclipse.swt/Eclipse SWT PI/cocoa/org/eclipse/swt/internal/cocoa/OS.java
index 40c830f846..bd8e5373c0 100644
--- a/bundles/org.eclipse.swt/Eclipse SWT PI/cocoa/org/eclipse/swt/internal/cocoa/OS.java	
+++ b/bundles/org.eclipse.swt/Eclipse SWT PI/cocoa/org/eclipse/swt/internal/cocoa/OS.java	
@@ -2280,7 +2280,6 @@ public static Selector getSelector (long value) {
 public static final int NSPortraitOrientation = 0;
 public static final int NSPrintPanelShowsPageSetupAccessory = 256;
 public static final int NSPrintPanelShowsPrintSelection = 32;
-public static final int NSProgressIndicatorPreferredThickness = 14;
 public static final int NSColorSpaceModelRGB = 1;
 public static final int NSControlSizeRegular = 0;
 public static final int NSRegularSquareBezelStyle = 2;
diff --git a/bundles/org.eclipse.swt/Eclipse SWT/cocoa/org/eclipse/swt/widgets/ProgressBar.java b/bundles/org.eclipse.swt/Eclipse SWT/cocoa/org/eclipse/swt/widgets/ProgressBar.java
index eac59b1a91..a01615d5b5 100644
--- a/bundles/org.eclipse.swt/Eclipse SWT/cocoa/org/eclipse/swt/widgets/ProgressBar.java	
+++ b/bundles/org.eclipse.swt/Eclipse SWT/cocoa/org/eclipse/swt/widgets/ProgressBar.java	
@@ -87,7 +87,11 @@ static int checkStyle (int style) {
 @Override
 public Point computeSize (int wHint, int hHint, boolean changed) {
 	checkWidget();
-	int size = OS.NSProgressIndicatorPreferredThickness;
+	NSProgressIndicator widget = (NSProgressIndicator)view;
+	NSRect oldFrame = widget.frame();
+	widget.sizeToFit();
+	int size = (int)widget.frame().height;
+	widget.setFrame(oldFrame);
 	int width = 0, height = 0;
 	if ((style & SWT.HORIZONTAL) != 0) {
 		height = size;