diff --git a/go/jwt/jwt_validator.go b/go/jwt/jwt_validator.go
index 3659431..9462b1b 100644
--- a/go/jwt/jwt_validator.go
+++ b/go/jwt/jwt_validator.go
@@ -29,7 +29,8 @@
 type ValidatorOpts struct {
 	ExpectedTypeHeader *string
 	ExpectedIssuer     *string
-	ExpectedAudiences  *string
+	ExpectedAudiences  *string // deprecated. Use ExpectedAudience instead.
+	ExpectedAudience   *string
 
 	IgnoreTypeHeader bool
 	IgnoreAudiences  bool
@@ -52,13 +53,20 @@
 	if opts == nil {
 		return nil, fmt.Errorf("ValidatorOpts can't be nil")
 	}
+	if opts.ExpectedAudiences != nil {
+		if opts.ExpectedAudience != nil {
+			return nil, fmt.Errorf("ExpectedAudiences and ExpectedAudience can't be set at the same time")
+		}
+		opts.ExpectedAudience = opts.ExpectedAudiences
+		opts.ExpectedAudiences = nil
+	}
 	if opts.ExpectedTypeHeader != nil && opts.IgnoreTypeHeader {
 		return nil, fmt.Errorf("ExpectedTypeHeader and IgnoreTypeHeader cannot be used together")
 	}
 	if opts.ExpectedIssuer != nil && opts.IgnoreIssuer {
 		return nil, fmt.Errorf("ExpectedIssuer and IgnoreIssuer cannot be used together")
 	}
-	if opts.ExpectedAudiences != nil && opts.IgnoreAudiences {
+	if opts.ExpectedAudience != nil && opts.IgnoreAudiences {
 		return nil, fmt.Errorf("ExpectedAudience and IgnoreAudience cannot be used together")
 	}
 	if opts.ClockSkew.Minutes() > jwtMaxClockSkewMinutes {
@@ -165,7 +173,7 @@
 }
 
 func (v *Validator) validateAudiences(rawJWT *RawJWT) error {
-	skip, err := validateFieldPresence(v.opts.IgnoreAudiences, rawJWT.HasAudiences(), v.opts.ExpectedAudiences != nil)
+	skip, err := validateFieldPresence(v.opts.IgnoreAudiences, rawJWT.HasAudiences(), v.opts.ExpectedAudience != nil)
 	if err != nil {
 		return err
 	}
@@ -177,7 +185,7 @@
 		return err
 	}
 	for i, aud := range audiences {
-		if aud == *v.opts.ExpectedAudiences {
+		if aud == *v.opts.ExpectedAudience {
 			break
 		}
 		if i == len(audiences)-1 {
diff --git a/go/jwt/jwt_validator_test.go b/go/jwt/jwt_validator_test.go
index f82e48f..bb1787e 100644
--- a/go/jwt/jwt_validator_test.go
+++ b/go/jwt/jwt_validator_test.go
@@ -46,6 +46,13 @@
 			},
 		},
 		{
+			tag: "combining ExpectedAudience and IgnoreAudiences",
+			validatorOpts: &jwt.ValidatorOpts{
+				ExpectedAudience: refString("should fail"),
+				IgnoreAudiences:  true,
+			},
+		},
+		{
 			tag: "combining ExpectedAudiences and IgnoreAudiences",
 			validatorOpts: &jwt.ValidatorOpts{
 				ExpectedAudiences: refString("should fail"),
@@ -53,6 +60,13 @@
 			},
 		},
 		{
+			tag: "both ExpectedAudience and ExpectedAudiences are set",
+			validatorOpts: &jwt.ValidatorOpts{
+				ExpectedAudience:  refString("aud"),
+				ExpectedAudiences: refString("aud"),
+			},
+		},
+		{
 			tag: "invalid clock skew",
 			validatorOpts: &jwt.ValidatorOpts{
 				ClockSkew: time.Minute * 11,
@@ -199,6 +213,16 @@
 			},
 			validatorOpts: &jwt.ValidatorOpts{
 				AllowMissingExpiration: true,
+				ExpectedAudience:       refString("tink-audience"),
+			},
+		},
+		{
+			tag: "audience required but no specified, deprecated",
+			tokenOpts: &jwt.RawJWTOptions{
+				WithoutExpiration: true,
+			},
+			validatorOpts: &jwt.ValidatorOpts{
+				AllowMissingExpiration: true,
 				ExpectedAudiences:      refString("tink-audience"),
 			},
 		},
@@ -210,6 +234,17 @@
 			},
 			validatorOpts: &jwt.ValidatorOpts{
 				AllowMissingExpiration: true,
+				ExpectedAudience:       refString("audience"),
+			},
+		},
+		{
+			tag: "invalid audience, deprecated",
+			tokenOpts: &jwt.RawJWTOptions{
+				WithoutExpiration: true,
+				Audience:          refString("tink-audience"),
+			},
+			validatorOpts: &jwt.ValidatorOpts{
+				AllowMissingExpiration: true,
 				ExpectedAudiences:      refString("audience"),
 			},
 		},
@@ -405,6 +440,17 @@
 			},
 			validatorOpts: &jwt.ValidatorOpts{
 				AllowMissingExpiration: true,
+				ExpectedAudience:       refString("audience"),
+			},
+		},
+		{
+			tag: "deprecated expected audiences",
+			tokenOpts: &jwt.RawJWTOptions{
+				WithoutExpiration: true,
+				Audience:          refString("audience"),
+			},
+			validatorOpts: &jwt.ValidatorOpts{
+				AllowMissingExpiration: true,
 				ExpectedAudiences:      refString("audience"),
 			},
 		},
diff --git a/testing/go/jwt_service.go b/testing/go/jwt_service.go
index 1eebe7a..664afa9 100644
--- a/testing/go/jwt_service.go
+++ b/testing/go/jwt_service.go
@@ -274,7 +274,7 @@
 	}
 	opts := &jwt.ValidatorOpts{
 		ExpectedTypeHeader:     refString(v.GetExpectedTypeHeader()),
-		ExpectedAudiences:      refString(v.GetExpectedAudience()),
+		ExpectedAudience:       refString(v.GetExpectedAudience()),
 		ExpectedIssuer:         refString(v.GetExpectedIssuer()),
 		ExpectIssuedInThePast:  v.GetExpectIssuedInThePast(),
 		AllowMissingExpiration: v.GetAllowMissingExpiration(),