diff --git a/integration/check_test.go b/integration/check_test.go
index e22da15c..56f245e4 100644
--- a/integration/check_test.go
+++ b/integration/check_test.go
@@ -54,19 +54,19 @@ func (s *SkopeoSuite) TestVersion(c *check.C) {
 }
 
 func (s *SkopeoSuite) TestCanAuthToPrivateRegistryV2WithoutDockerCfg(c *check.C) {
-	assertSkopeoFails(c, ".*manifest unknown: manifest unknown.*",
+	assertSkopeoFails(c, ".*manifest unknown.*",
 		"--tls-verify=false", "inspect", "--creds="+s.regV2WithAuth.username+":"+s.regV2WithAuth.password, fmt.Sprintf("docker://%s/busybox:latest", s.regV2WithAuth.url))
 }
 
 func (s *SkopeoSuite) TestNeedAuthToPrivateRegistryV2WithoutDockerCfg(c *check.C) {
-	assertSkopeoFails(c, ".*unauthorized: authentication required.*",
+	assertSkopeoFails(c, ".*authentication required.*",
 		"--tls-verify=false", "inspect", fmt.Sprintf("docker://%s/busybox:latest", s.regV2WithAuth.url))
 }
 
 func (s *SkopeoSuite) TestCertDirInsteadOfCertPath(c *check.C) {
 	assertSkopeoFails(c, ".*unknown flag: --cert-path.*",
 		"--tls-verify=false", "inspect", fmt.Sprintf("docker://%s/busybox:latest", s.regV2WithAuth.url), "--cert-path=/")
-	assertSkopeoFails(c, ".*unauthorized: authentication required.*",
+	assertSkopeoFails(c, ".*authentication required.*",
 		"--tls-verify=false", "inspect", fmt.Sprintf("docker://%s/busybox:latest", s.regV2WithAuth.url), "--cert-dir=/etc/docker/certs.d/")
 }
 
@@ -106,6 +106,6 @@ func (s *SkopeoSuite) TestCopyWithLocalAuth(c *check.C) {
 	assertSkopeoSucceeds(c, fmt.Sprintf("^Removed login credentials for %s\n$", s.regV2WithAuth.url),
 		"logout", s.regV2WithAuth.url)
 	// inspect from private registry should fail after logout
-	assertSkopeoFails(c, ".*unauthorized: authentication required.*",
+	assertSkopeoFails(c, ".*authentication required.*",
 		"inspect", "--tls-verify=false", imageName)
 }
diff --git a/integration/copy_test.go b/integration/copy_test.go
index 18a09dbc..372478ca 100644
--- a/integration/copy_test.go
+++ b/integration/copy_test.go
@@ -1036,7 +1036,7 @@ func (s *CopySuite) TestCopyVerifyingMirroredSignatures(c *check.C) {
 	assertSkopeoSucceeds(c, "", "--policy", policy, "--registries.d", registriesDir, "--registries-conf", "fixtures/registries.conf", "copy", "--src-tls-verify=false", regPrefix+"remap:remapped", dirDest)
 	// To be extra clear about the semantics, verify that the signedPrefix (primary) location never exists
 	// and only the remapped prefix (mirror) is accessed.
-	assertSkopeoFails(c, ".*initializing source docker://localhost:5006/myns/mirroring-primary:remapped:.*manifest unknown: manifest unknown.*",
+	assertSkopeoFails(c, ".*initializing source docker://localhost:5006/myns/mirroring-primary:remapped:.*manifest unknown.*",
 		"--policy", policy, "--registries.d", registriesDir, "--registries-conf", "fixtures/registries.conf", "copy", "--src-tls-verify=false", regPrefix+"primary:remapped", dirDest)
 }
 
diff --git a/integration/sync_test.go b/integration/sync_test.go
index 39d7f48e..25c369b5 100644
--- a/integration/sync_test.go
+++ b/integration/sync_test.go
@@ -544,11 +544,11 @@ func (s *SyncSuite) TestFailsWithDockerSourceNoRegistry(c *check.C) {
 	tmpDir := c.MkDir()
 
 	//untagged
-	assertSkopeoFails(c, ".*invalid status code from registry 404.*",
+	assertSkopeoFails(c, ".*StatusCode: 404.*",
 		"sync", "--scoped", "--src", "docker", "--dest", "dir", regURL, tmpDir)
 
 	//tagged
-	assertSkopeoFails(c, ".*invalid status code from registry 404.*",
+	assertSkopeoFails(c, ".*StatusCode: 404.*",
 		"sync", "--scoped", "--src", "docker", "--dest", "dir", regURL+":thetag", tmpDir)
 }
 
@@ -561,7 +561,7 @@ func (s *SyncSuite) TestFailsWithDockerSourceUnauthorized(c *check.C) {
 		"sync", "--scoped", "--src", "docker", "--dest", "dir", repo, tmpDir)
 
 	//tagged
-	assertSkopeoFails(c, ".*unauthorized: authentication required.*",
+	assertSkopeoFails(c, ".*requested access to the resource is denied.*",
 		"sync", "--scoped", "--src", "docker", "--dest", "dir", repo+":thetag", tmpDir)
 }
 
@@ -570,7 +570,7 @@ func (s *SyncSuite) TestFailsWithDockerSourceNotExisting(c *check.C) {
 	tmpDir := c.MkDir()
 
 	//untagged
-	assertSkopeoFails(c, ".*invalid status code from registry 404.*",
+	assertSkopeoFails(c, ".*repository name not known to registry.*",
 		"sync", "--scoped", "--src-tls-verify=false", "--src", "docker", "--dest", "dir", repo, tmpDir)
 
 	//tagged
diff --git a/systemtest/040-local-registry-auth.bats b/systemtest/040-local-registry-auth.bats
index a8e7d27f..670697de 100644
--- a/systemtest/040-local-registry-auth.bats
+++ b/systemtest/040-local-registry-auth.bats
@@ -24,22 +24,22 @@ function setup() {
 @test "auth: credentials on command line" {
     # No creds
     run_skopeo 1 inspect --tls-verify=false docker://localhost:5000/nonesuch
-    expect_output --substring "unauthorized: authentication required"
+    expect_output --substring "authentication required"
 
     # Wrong user
     run_skopeo 1 inspect --tls-verify=false --creds=baduser:badpassword \
                docker://localhost:5000/nonesuch
-    expect_output --substring "unauthorized: authentication required"
+    expect_output --substring "authentication required"
 
     # Wrong password
     run_skopeo 1 inspect --tls-verify=false --creds=$testuser:badpassword \
                docker://localhost:5000/nonesuch
-    expect_output --substring "unauthorized: authentication required"
+    expect_output --substring "authentication required"
 
     # Correct creds, but no such image
     run_skopeo 1 inspect --tls-verify=false --creds=$testuser:$testpassword \
                docker://localhost:5000/nonesuch
-    expect_output --substring "manifest unknown: manifest unknown"
+    expect_output --substring "manifest unknown"
 
     # These should pass
     run_skopeo copy --dest-tls-verify=false --dcreds=$testuser:$testpassword \
@@ -64,7 +64,7 @@ function setup() {
     podman logout localhost:5000
 
     run_skopeo 1 inspect --tls-verify=false docker://localhost:5000/busybox:mine
-    expect_output --substring "unauthorized: authentication required"
+    expect_output --substring "authentication required"
 }
 
 @test "auth: copy with --src-creds and --dest-creds" {
@@ -94,7 +94,7 @@ function setup() {
 
     # inspect without authfile: should fail
     run_skopeo 1 inspect --tls-verify=false docker://localhost:5000/busybox:mine
-    expect_output --substring "unauthorized: authentication required"
+    expect_output --substring "authentication required"
 
     # inspect with authfile: should work
     run_skopeo inspect --tls-verify=false --authfile $TESTDIR/test.auth docker://localhost:5000/busybox:mine