diff --git a/share/functions/export.fish b/share/functions/export.fish
index 0c5561291..d0d1bbb2b 100644
--- a/share/functions/export.fish
+++ b/share/functions/export.fish
@@ -1,5 +1,5 @@
 function export --description 'Set env variable. Alias for `set -gx` for bash compatibility.'
-    if not set -q argv[0]
+    if not set -q argv[1]
         set -x
         return 0
     end
diff --git a/share/functions/setenv.fish b/share/functions/setenv.fish
index 2141f4dad..d125751bd 100644
--- a/share/functions/setenv.fish
+++ b/share/functions/setenv.fish
@@ -1,5 +1,5 @@
 function setenv --description 'Set env variable. Alias for `set -gx` for csh compatibility.'
-    if not set -q argv[0]
+    if not set -q argv[1]
         set -x
         return 0
     end