diff --git a/modules/programs/fish.nix b/modules/programs/fish.nix
index a45b0e2fc..476e9c09e 100644
--- a/modules/programs/fish.nix
+++ b/modules/programs/fish.nix
@@ -310,7 +310,7 @@ in
 
           # Source initialization code if it exists.
           if test -d $plugin_dir"/conf.d"
-            source $plugin_dir"/conf.d/*.fish"
+            source $plugin_dir/conf.d/*.fish
           end
 
           if test -f $plugin_dir"/key_bindings.fish"
diff --git a/tests/modules/programs/fish/plugins.nix b/tests/modules/programs/fish/plugins.nix
index cd675f8b0..845ccb112 100644
--- a/tests/modules/programs/fish/plugins.nix
+++ b/tests/modules/programs/fish/plugins.nix
@@ -21,7 +21,7 @@ let
 
     # Source initialization code if it exists.
     if test -d $plugin_dir"/conf.d"
-      source $plugin_dir"/conf.d/*.fish"
+      source $plugin_dir/conf.d/*.fish
     end
 
     if test -f $plugin_dir"/key_bindings.fish"