diff --git a/layouts/_partials/utilities/GetPage.html b/layouts/_partials/utilities/GetPage.html
index 163a483..7947800 100644
--- a/layouts/_partials/utilities/GetPage.html
+++ b/layouts/_partials/utilities/GetPage.html
@@ -20,10 +20,21 @@
 {{- if not $isExternal -}}
     {{- $ref = $page.GetPage $url -}}
 
+    {{/* Fallback to a site-wide lookup. Page.GetPage resolves relative
+        references against Hugo's active rendering context (the `page`
+        global), not the receiver page. When content is processed from a
+        foreign render — e.g. an output format whose layout iterates other
+        pages and reads .Plain / .Content / .Summary — the active context
+        is the driving page, and the receiver-based lookup returns nil.
+        site.GetPage is context-independent and finds the page by name. */}}
+    {{ if not $ref }}
+        {{- $ref = site.GetPage $url -}}
+    {{ end }}
+
     {{ if not $ref }}
         {{ $match := partial "utilities/GetStaticURL" (dict "url" $url) }}
         {{ if not (hasSuffix $match "/") }}{{ $match = printf "%s/" $match }}{{ end }}
-        
+
         {{ $matches := where site.AllPages "RelPermalink" "like" (printf "%s$" $match) }}
         {{ if eq (len $matches) 1 }}
             {{ $ref = index $matches 0 }}
diff --git a/layouts/_partials/utilities/GetStaticURL.html b/layouts/_partials/utilities/GetStaticURL.html
index a4bc0a5..87946cb 100644
--- a/layouts/_partials/utilities/GetStaticURL.html
+++ b/layouts/_partials/utilities/GetStaticURL.html
@@ -12,7 +12,14 @@
     {{ if not $url }}{{ $url = "/" }}{{ end }}
 
     {{ $lang := site.Language.Lang }}
-    {{ $base := strings.TrimSuffix (printf "%s/" $lang) site.Home.RelPermalink }}
+    {{/* site.Home.RelPermalink returns the active output's permalink, so
+        during a non-HTML output render (e.g. a custom searchindex / RSS /
+        custom JSON output) it would inject that output's path here and
+        produce a nonsensical base URL. The HTML output's permalink is the
+        canonical site root and remains stable across render contexts. */}}
+    {{ $homeURL := site.Home.RelPermalink }}
+    {{ with site.Home.OutputFormats.Get "html" }}{{ $homeURL = .RelPermalink }}{{ end }}
+    {{ $base := strings.TrimSuffix (printf "%s/" $lang) $homeURL }}
 
     {{ $url = partial "utilities/URLJoin.html" (dict "base" $base "path" $url) }}
 {{ end }}