diff --git a/plugin/fireplace.vim b/plugin/fireplace.vim
index c4a1f4a..70d83c2 100644
--- a/plugin/fireplace.vim
+++ b/plugin/fireplace.vim
@@ -817,7 +817,7 @@ function! s:macroexpandop(type) abort
 endfunction
 
 function! s:macroexpand1op(type) abort
-  call fireplace#macroexpand("clojure.core/macroexpand-1", s:opfunc(a:type))
+  call fireplace#macroexpand("macroexpand-1", s:opfunc(a:type))
 endfunction
 
 function! s:printop(type) abort