diff --git a/src/complete.cpp b/src/complete.cpp
index d4091855d..37929e372 100644
--- a/src/complete.cpp
+++ b/src/complete.cpp
@@ -707,7 +707,7 @@ void completer_t::complete_cmd(const wcstring &str_cmd, bool use_function, bool
 }
 
 void completer_t::complete_abbr(const wcstring &cmd) {
-    std::map<wcstring, wcstring> abbrs = get_abbreviations();
+    std::map<wcstring, wcstring> abbrs = get_abbreviations(vars);
     std::vector<completion_t> possible_comp;
     possible_comp.reserve(abbrs.size());
     for (const auto &kv : abbrs) {
diff --git a/src/expand.cpp b/src/expand.cpp
index 4beb8ede8..aa91f3d4b 100644
--- a/src/expand.cpp
+++ b/src/expand.cpp
@@ -1197,9 +1197,8 @@ maybe_t<wcstring> expand_abbreviation(const wcstring &src) {
     return expand_abbreviation(src, env_stack_t::principal());
 }
 
-std::map<wcstring, wcstring> get_abbreviations() {
+std::map<wcstring, wcstring> get_abbreviations(const environment_t &vars) {
     // TODO: try to make this cheaper
-    const auto &vars = env_stack_t::principal();
     const size_t fish_abbr_len = std::wcslen(L"_fish_abbr_");
     auto names = vars.get_names(0);
     std::map<wcstring, wcstring> result;
@@ -1210,4 +1209,3 @@ std::map<wcstring, wcstring> get_abbreviations() {
     }
     return result;
 }
-
diff --git a/src/expand.h b/src/expand.h
index 2386f45c4..84500c37e 100644
--- a/src/expand.h
+++ b/src/expand.h
@@ -165,7 +165,7 @@ maybe_t<wcstring> expand_abbreviation(const wcstring &src, const environment_t &
 maybe_t<wcstring> expand_abbreviation(const wcstring &src);
 
 /// \return a snapshot of all abbreviations as a map abbreviation->expansion.
-std::map<wcstring, wcstring> get_abbreviations();
+std::map<wcstring, wcstring> get_abbreviations(const environment_t &vars);
 
 // Terrible hacks
 bool fish_xdm_login_hack_hack_hack_hack(std::vector<std::string> *cmds, int argc,