diff --git a/autoload/vimtex/complete.vim b/autoload/vimtex/complete.vim
index 8be18ce144a..c2221a9d39e 100644
--- a/autoload/vimtex/complete.vim
+++ b/autoload/vimtex/complete.vim
@@ -535,6 +535,7 @@ function! s:completer_gls.init() dict abort " {{{2
   if !has_key(b:vimtex.packages, 'glossaries-extra') | return | endif
 
   " Detect stuff like this:
+  "  \GlsXtrLoadResources[src={glossary}]
   "  \GlsXtrLoadResources[src=glossary.bib]
   "  \GlsXtrLoadResources[src={glossary.bib}, selection={all}]
   "  \GlsXtrLoadResources[selection={all},src={glossary.bib}]
@@ -544,6 +545,7 @@ function! s:completer_gls.init() dict abort " {{{2
   "  ]
 
   let l:do_search = 0
+  let b:vimtex.complete.glsbib = []
   for l:line in vimtex#parser#preamble(b:vimtex.tex)
     if line =~# '^\s*\\GlsXtrLoadResources\s*\['
       let l:do_search = 1
@@ -560,7 +562,13 @@ function! s:completer_gls.init() dict abort " {{{2
         let l:value = trim(remove(l:matches, 0))
         let l:value = substitute(l:value, '^{', '', '')
         let l:value = substitute(l:value, '[]}]\s*', '', 'g')
-        let b:vimtex.complete.glsbib = l:value
+        if !vimtex#paths#is_abs(l:value)
+          let l:value = vimtex#paths#join(b:vimtex.root, l:value)
+        endif
+        if !filereadable(l:value)
+          let l:value .= '.bib'
+        endif
+        call add(b:vimtex.complete.glsbib, l:value)
         break
       endif
     endwhile
@@ -592,15 +600,24 @@ function! s:completer_gls.parse_glsentries() dict abort " {{{2
 endfunction
 
 function! s:completer_gls.parse_glsbib() dict abort " {{{2
-  let l:filename = get(b:vimtex.complete, 'glsbib', '')
-  if empty(l:filename) | return [] | endif
-
   let l:candidates = []
-  for l:entry in vimtex#parser#bib(l:filename, {'backend': 'vim'})
-    call add(l:candidates, {
-          \ 'word': l:entry.key,
-          \ 'menu': get(l:entry, 'name', '--'),
-          \})
+
+  for l:filename in get(b:vimtex.complete, 'glsbib', [])
+    for l:entry in vimtex#parser#bib(l:filename, {'backend': 'vim'})
+      let l:menu = ''
+      for l:c in ['name', 'long', 'title']
+        if l:entry->has_key(l:c)
+          let l:menu = ' ' .. l:entry[l:c]
+          break
+        endif
+      endfor
+
+      call add(l:candidates, {
+            \ 'word': l:entry.key,
+            \ 'kind': '[gls]',
+            \ 'menu': l:menu
+            \})
+    endfor
   endfor
 
   return l:candidates
diff --git a/test/test-completion-glossary/glossaries-extra-1.tex b/test/test-completion-glossary/glossaries-extra-1.tex
index a3a22d95a79..4ce07190150 100644
--- a/test/test-completion-glossary/glossaries-extra-1.tex
+++ b/test/test-completion-glossary/glossaries-extra-1.tex
@@ -1,5 +1,4 @@
 \documentclass{minimal}
-\usepackage[german]{babel}
 \usepackage{csquotes}
 \usepackage[record,style=long]{glossaries-extra}
 
@@ -7,6 +6,7 @@
   src={glossaries-extra.bib},
   selection={all},
 ]
+\GlsXtrLoadResources[src={glossary}]
 
 \begin{document}
 
@@ -14,6 +14,8 @@
 
 \gls{isbn}
 
+\gls{API}
+
 \printunsrtglossaries
 
 \end{document}
diff --git a/test/test-completion-glossary/glossaries-extra.vim b/test/test-completion-glossary/glossaries-extra.vim
index bc3de65f8ae..a28e47d0ab2 100644
--- a/test/test-completion-glossary/glossaries-extra.vim
+++ b/test/test-completion-glossary/glossaries-extra.vim
@@ -9,6 +9,6 @@ nnoremap q :qall!<cr>
 silent edit $TEXFILE
 
 let s:candidates = vimtex#test#completion('\gls{', '')
-call assert_equal(len(s:candidates), 9)
+call assert_equal(len(s:candidates), 10)
 
 call vimtex#test#finished()
diff --git a/test/test-completion-glossary/glossary.bib b/test/test-completion-glossary/glossary.bib
new file mode 100644
index 00000000000..273205fb8b0
--- /dev/null
+++ b/test/test-completion-glossary/glossary.bib
@@ -0,0 +1,7 @@
+@abbreviation{API,
+  title = {Application {{Programming Interface}}},
+  long = {Application Programming Interface},
+  prefix = {an\space},
+  prefixfirst = {an\space},
+  short = {API},
+}