diff --git a/Frameworks/BusinessLogic/ERAttachment/Sources/er/attachment/processors/ERS3AttachmentProcessor.java b/Frameworks/BusinessLogic/ERAttachment/Sources/er/attachment/processors/ERS3AttachmentProcessor.java
index 335512be70c..f2183d761fd 100644
--- a/Frameworks/BusinessLogic/ERAttachment/Sources/er/attachment/processors/ERS3AttachmentProcessor.java
+++ b/Frameworks/BusinessLogic/ERAttachment/Sources/er/attachment/processors/ERS3AttachmentProcessor.java
@@ -12,6 +12,8 @@
 import java.util.Map;
 import java.util.TreeMap;
 
+import org.apache.commons.lang.StringUtils;
+
 import com.amazon.s3.AWSAuthConnection;
 import com.amazon.s3.Response;
 import com.silvasoftinc.s3.S3StreamObject;
@@ -148,6 +150,10 @@ public String attachmentUrl(ERS3Attachment attachment, WORequest request,
 						e);
 			}
 
+		} else if(request.isSecure()) {
+			// The attachment is not proxied. So, the URL must be fixed if the request is secure.
+			attachmentUrl = StringUtils.replaceOnce(attachmentUrl, "http://", "https://");
+			attachmentUrl = StringUtils.replaceOnce(attachmentUrl, ":80/", "/");
 		}
 
 		return attachmentUrl;