diff --git a/cli/compose/loader/loader_test.go b/cli/compose/loader/loader_test.go
index d956fb9f5fe4..6acdacc160a7 100644
--- a/cli/compose/loader/loader_test.go
+++ b/cli/compose/loader/loader_test.go
@@ -1583,6 +1583,7 @@ services:
 		},
 	}
 	for _, testcase := range testcases {
+		testcase := testcase
 		t.Run(testcase.doc, func(t *testing.T) {
 			config, err := loadYAML(testcase.yaml)
 			assert.NilError(t, err)
diff --git a/cli/compose/loader/merge.go b/cli/compose/loader/merge.go
index 24b74ffbc596..015b1f5a55ef 100644
--- a/cli/compose/loader/merge.go
+++ b/cli/compose/loader/merge.go
@@ -60,6 +60,7 @@ func mergeServices(base, override []types.ServiceConfig) ([]types.ServiceConfig,
 		},
 	}
 	for name, overrideService := range overrideServices {
+		overrideService := overrideService
 		if baseService, ok := baseServices[name]; ok {
 			if err := mergo.Merge(&baseService, &overrideService, mergo.WithAppendSlice, mergo.WithOverride, mergo.WithTransformers(specials)); err != nil {
 				return base, errors.Wrapf(err, "cannot merge service %s", name)