diff --git a/assets/sass/_theme/sections/publications.sass b/assets/sass/_theme/sections/publications.sass
index ac9f2ba021257961e81dc46f1248047b602af979..7b49c75b552da3f724587191de5f15df58b92975 100644
--- a/assets/sass/_theme/sections/publications.sass
+++ b/assets/sass/_theme/sections/publications.sass
@@ -93,6 +93,7 @@
                         @include signature
                     .avatar
                         margin-bottom: 0
+                        width: columns(1)
             > * + *
                 margin-top: $spacing-5
     .downloads