diff -r 34abadbdd0e3 -r cbbadb493f22 src/main/webapp/WEB-INF/jsp/issue-view.jsp
--- a/src/main/webapp/WEB-INF/jsp/issue-view.jsp	Wed May 21 14:19:07 2025 +0200
+++ b/src/main/webapp/WEB-INF/jsp/issue-view.jsp	Mon May 26 21:41:02 2025 +0200
@@ -35,10 +35,7 @@
 <c:set var="project" scope="page" value="${viewmodel.issue.project}"/>
 <c:set var="issue" scope="page" value="${viewmodel.issue}" />
 
-<c:set var="issuesHref" value="./issues/"/>
-<c:if test="${not empty viewmodel.pathInfos}">
-    <c:set var="issuesHref" value="./${viewmodel.pathInfos.issuesHref}"/>
-</c:if>
+<c:set var="issuesHref" value="./${viewmodel.pathInfos.issuesHref}"/>
 
 <table class="issue-view fullwidth">
     <colgroup>
@@ -177,6 +174,11 @@
     <a href="${issuesHref}" class="button">
         <fmt:message key="button.back"/>
     </a>
+    <c:if test="${not viewmodel.pathInfos.inProject}">
+    <a href="${issuesHref}${issue.id}?in_project=true" class="button">
+        <fmt:message key="button.issue.open-in-project"/>
+    </a>
+    </c:if>
     <c:if test="${issue.status.phase ne IssueStatusPhase.Companion.done}">
     <a href="${issuesHref}${issue.id}/resolve" class="button submit">
         <fmt:message key="button.issue.resolve"/>