From 2de429b2430b8ec6de5221cdfdc2367fb30342a8 Mon Sep 17 00:00:00 2001
From: M66B <M66B@users.noreply.github.com>
Date: Fri, 24 Oct 2025 15:12:31 +0200
Subject: [PATCH] Fixed index error on background image urls

---
 app/src/main/java/eu/faircode/email/HtmlHelper.java | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/app/src/main/java/eu/faircode/email/HtmlHelper.java b/app/src/main/java/eu/faircode/email/HtmlHelper.java
index 20929a0f7f..d20d29540b 100644
--- a/app/src/main/java/eu/faircode/email/HtmlHelper.java
+++ b/app/src/main/java/eu/faircode/email/HtmlHelper.java
@@ -727,8 +727,10 @@ public class HtmlHelper {
                             if (us >= 0 && ue > us) {
                                 url = url.substring(us + 4, ue);
                                 if ((url.startsWith("'") && url.endsWith("'")) ||
-                                        (url.startsWith("\"") && url.endsWith("\"")))
-                                    url = url.substring(1, url.length() - 1);
+                                        (url.startsWith("\"") && url.endsWith("\""))) {
+                                    if (url.length() > 1)
+                                        url = url.substring(1, url.length() - 1);
+                                }
                                 Element img = document.createElement("img")
                                         .attr("src", url);
                                 element.prependElement("br");