diff --git a/tests/test-sources/modules/lua-loader.nix b/tests/test-sources/modules/lua-loader.nix
index ed38fe35c1..25a1038e68 100644
--- a/tests/test-sources/modules/lua-loader.nix
+++ b/tests/test-sources/modules/lua-loader.nix
@@ -7,11 +7,11 @@
 
       assertions = [
         {
-          assertion = builtins.match ".*vim\.loader.*" config.content == null;
+          assertion = builtins.match ".*vim\\.loader.*" config.content == null;
           message = "No luaLoader configuration is expected in init.lua by default.";
         }
         {
-          assertion = builtins.match ".*vim\.loader.*" config.files."files_test.lua".content == null;
+          assertion = builtins.match ".*vim\\.loader.*" config.files."files_test.lua".content == null;
           message = "No luaLoader configuration is expected in 'files' submodules.";
         }
       ];
@@ -27,11 +27,11 @@
 
       assertions = [
         {
-          assertion = builtins.match ".*vim\.loader\.enable\(\).*" config.content != null;
+          assertion = builtins.match ".*vim\\.loader\\.enable\\(\\).*" config.content != null;
           message = "luaLoader is expected to be explicitly enabled.";
         }
         {
-          assertion = builtins.match ".*vim\.loader.*" config.files."files_test.lua".content == null;
+          assertion = builtins.match ".*vim\\.loader.*" config.files."files_test.lua".content == null;
           message = "No luaLoader configuration is expected in 'files' submodules.";
         }
       ];
@@ -47,11 +47,11 @@
 
       assertions = [
         {
-          assertion = builtins.match ".*vim\.loader\.disable\(\).*" config.content != null;
+          assertion = builtins.match ".*vim\\.loader\\.disable\\(\\).*" config.content != null;
           message = "luaLoader is expected to be explicitly disabled.";
         }
         {
-          assertion = builtins.match ".*vim\.loader.*" config.files."files_test.lua".content == null;
+          assertion = builtins.match ".*vim\\.loader.*" config.files."files_test.lua".content == null;
           message = "No luaLoader configuration is expected in 'files' submodules.";
         }
       ];