diff --git a/internal/oauth2.go b/internal/oauth2.go
index fbe1028..e31541b 100644
--- a/internal/oauth2.go
+++ b/internal/oauth2.go
@@ -42,7 +42,7 @@ func ParseKey(key []byte) (*rsa.PrivateKey, error) {
 
 func ParseINI(ini io.Reader) (map[string]map[string]string, error) {
 	result := map[string]map[string]string{
-		"": map[string]string{}, // root section
+		"": {}, // root section
 	}
 	scanner := bufio.NewScanner(ini)
 	currentSection := ""
diff --git a/internal/oauth2_test.go b/internal/oauth2_test.go
index c615855..0aafc7f 100644
--- a/internal/oauth2_test.go
+++ b/internal/oauth2_test.go
@@ -23,8 +23,8 @@ bar = hop
 ini = nin
 `,
 			map[string]map[string]string{
-				"":    map[string]string{"root": "toor"},
-				"foo": map[string]string{"bar": "hop", "ini": "nin"},
+				"":    {"root": "toor"},
+				"foo": {"bar": "hop", "ini": "nin"},
 			},
 		},
 		{
@@ -33,9 +33,9 @@ ini = nin
 empty=
 `,
 			map[string]map[string]string{
-				"":        map[string]string{},
-				"empty":   map[string]string{},
-				"section": map[string]string{"empty": ""},
+				"":        {},
+				"empty":   {},
+				"section": {"empty": ""},
 			},
 		},
 		{
@@ -45,7 +45,7 @@ empty=
 ;comment=true
 `,
 			map[string]map[string]string{
-				"": map[string]string{},
+				"": {},
 			},
 		},
 	}