diff --git a/bundles/org.eclipse.swt/Eclipse SWT/gtk/org/eclipse/swt/graphics/ImageLoader.java b/bundles/org.eclipse.swt/Eclipse SWT/gtk/org/eclipse/swt/graphics/ImageLoader.java
index 89b97cd86e6..4fbda1029d7 100644
--- a/bundles/org.eclipse.swt/Eclipse SWT/gtk/org/eclipse/swt/graphics/ImageLoader.java	
+++ b/bundles/org.eclipse.swt/Eclipse SWT/gtk/org/eclipse/swt/graphics/ImageLoader.java	
@@ -180,10 +180,7 @@ boolean isInterlacedPNG(byte [] imageAsByteArray) {
 	List<ImageData> imgDataList = new ArrayList<>();
 	try {
 		// 1) Load InputStream into byte array
-		ByteArrayOutputStream baos = new ByteArrayOutputStream();
-		stream.transferTo(baos);
-		baos.flush();
-		byte[] data_buffer = baos.toByteArray();
+		byte[] data_buffer = stream.readAllBytes();
 		if (data_buffer.length == 0) SWT.error(SWT.ERROR_UNSUPPORTED_FORMAT);	// empty stream
 
 		// 2) Copy byte array to C memory, write to GdkPixbufLoader