diff --git a/autoload/fireplace/nrepl.vim b/autoload/fireplace/nrepl.vim
index 5d081e7..8569523 100644
--- a/autoload/fireplace/nrepl.vim
+++ b/autoload/fireplace/nrepl.vim
@@ -182,7 +182,12 @@ endfunction
 
 function! s:extract_last_stacktrace(nrepl, session) abort
   if a:nrepl.has_op('stacktrace')
-    let stacktrace = filter(a:nrepl.message({'op': 'stacktrace', 'session': a:session}), 'has_key(v:val, "file")')
+    let stacktrace = a:nrepl.message({'op': 'stacktrace', 'session': a:session})
+    if len(stacktrace) > 0 && has_key(stacktrace[0], 'stacktrace')
+      let stacktrace = stacktrace[0].stacktrace
+    endif
+
+    call filter(stacktrace, 'has_key(v:val, "file")')
     if !empty(stacktrace)
       return map(stacktrace, 'v:val.class.".".v:val.method."(".v:val.file.":".v:val.line.")"')
     endif