diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3875bbd..92637cc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 `Inara` uses [SemVer][] (semantic versioning).
 
+## Inara v1.1.2
+
+- Fix bug in application of `prepare-affiliations.lua` filter (Charles Tapley Hoyt)
+
 ## Inara v1.1.1
 
 Released 2024-09-05.
diff --git a/data/filters/prepare-affiliations.lua b/data/filters/prepare-affiliations.lua
index cf00da5..d678c5d 100644
--- a/data/filters/prepare-affiliations.lua
+++ b/data/filters/prepare-affiliations.lua
@@ -7,9 +7,9 @@ local function perepare_affiliations (meta)
   -- and meta.author (the processed one)
   for _, author in ipairs(meta.authors or {}) do
     local xml = "<affiliations>"
-    for i, affiliation_list in ipairs(author.affiliation) do
-        local index = tonumber(affiliation_list[1].text)
-        local affiliation = meta.affiliations[index]
+    for i, affiliation_index in ipairs(author.affiliation) do
+        affiliation_index = tonumber(pandoc.utils.stringify(affiliation_index))
+        local affiliation = meta.affiliations[affiliation_index]
         xml = xml.. "\n  <institution><institution_name>"
         for _, v in ipairs(affiliation.name) do
           if v.text then
diff --git a/example/paper.md b/example/paper.md
index 043882b..9c2e3fc 100644
--- a/example/paper.md
+++ b/example/paper.md
@@ -4,7 +4,7 @@ title: >-
 authors:
   - name: Albert Krewinkel
     email: albert@zeitkraut.de
-    affiliation: [1, 2, 4]
+    affiliation: "1, 2, 4"
     orcid: 0000-0002-9455-0796
     corresponding: true
   - name: Juanjo Bazán
diff --git a/test/expected-draft/paper.preprint.tex b/test/expected-draft/paper.preprint.tex
index b61a918..f1d25d1 100644
--- a/test/expected-draft/paper.preprint.tex
+++ b/test/expected-draft/paper.preprint.tex
@@ -160,7 +160,7 @@
 \usepackage{orcidlink}
 %% \renewcommand\Authsep{, }
 \setlength{\affilsep}{1em}
-\author[1,2%
+\author[1,2,4%
   %
   \ensuremath\mathparagraph]{Albert Krewinkel%
     \,\orcidlink{0000-0002-9455-0796}\,%
@@ -179,6 +179,9 @@
 \affil[1]{Open Journals}
 \affil[2]{Pandoc Development Team}
 \affil[3]{GitHub}
+\affil[4]{Technische Universitaet Hamburg%
+    \,\protect\href{https://ror.org/04bs1pb34}{\protect\rorlogo}\,%
+  }
 \affil[$\mathparagraph$]{Corresponding author: %
   albert@zeitkraut.de %
 }
diff --git a/test/expected-pub/paper.preprint.tex b/test/expected-pub/paper.preprint.tex
index b61a918..f1d25d1 100644
--- a/test/expected-pub/paper.preprint.tex
+++ b/test/expected-pub/paper.preprint.tex
@@ -160,7 +160,7 @@
 \usepackage{orcidlink}
 %% \renewcommand\Authsep{, }
 \setlength{\affilsep}{1em}
-\author[1,2%
+\author[1,2,4%
   %
   \ensuremath\mathparagraph]{Albert Krewinkel%
     \,\orcidlink{0000-0002-9455-0796}\,%
@@ -179,6 +179,9 @@
 \affil[1]{Open Journals}
 \affil[2]{Pandoc Development Team}
 \affil[3]{GitHub}
+\affil[4]{Technische Universitaet Hamburg%
+    \,\protect\href{https://ror.org/04bs1pb34}{\protect\rorlogo}\,%
+  }
 \affil[$\mathparagraph$]{Corresponding author: %
   albert@zeitkraut.de %
 }