diff --git a/pkg/controller/perconaservermongodb/testdata/reconcile-statefulset/cfg-arbiter.yaml b/pkg/controller/perconaservermongodb/testdata/reconcile-statefulset/cfg-arbiter.yaml
index 026813419..1aeba53a1 100644
--- a/pkg/controller/perconaservermongodb/testdata/reconcile-statefulset/cfg-arbiter.yaml
+++ b/pkg/controller/perconaservermongodb/testdata/reconcile-statefulset/cfg-arbiter.yaml
@@ -182,7 +182,7 @@ spec:
             fieldRef:
               fieldPath: metadata.name
         - name: PBM_MONGODB_URI
-          value: mongodb://$(PBM_AGENT_MONGODB_USERNAME):$(PBM_AGENT_MONGODB_PASSWORD)@localhost:$(PBM_MONGODB_PORT)?tls=true&tlsCertificateKeyFile=/tmp/tls.pem&tlsCAFile=/etc/mongodb-ssl/ca.crt&tlsInsecure=true
+          value: mongodb://$(PBM_AGENT_MONGODB_USERNAME):$(PBM_AGENT_MONGODB_PASSWORD)@localhost:$(PBM_MONGODB_PORT)/?tls=true&tlsCertificateKeyFile=/tmp/tls.pem&tlsCAFile=/etc/mongodb-ssl/ca.crt&tlsInsecure=true
         - name: PBM_AGENT_TLS_ENABLED
           value: "true"
         image: perconalab/percona-server-mongodb-operator:main-backup
diff --git a/pkg/controller/perconaservermongodb/testdata/reconcile-statefulset/cfg-mongod.yaml b/pkg/controller/perconaservermongodb/testdata/reconcile-statefulset/cfg-mongod.yaml
index 026813419..1aeba53a1 100644
--- a/pkg/controller/perconaservermongodb/testdata/reconcile-statefulset/cfg-mongod.yaml
+++ b/pkg/controller/perconaservermongodb/testdata/reconcile-statefulset/cfg-mongod.yaml
@@ -182,7 +182,7 @@ spec:
             fieldRef:
               fieldPath: metadata.name
         - name: PBM_MONGODB_URI
-          value: mongodb://$(PBM_AGENT_MONGODB_USERNAME):$(PBM_AGENT_MONGODB_PASSWORD)@localhost:$(PBM_MONGODB_PORT)?tls=true&tlsCertificateKeyFile=/tmp/tls.pem&tlsCAFile=/etc/mongodb-ssl/ca.crt&tlsInsecure=true
+          value: mongodb://$(PBM_AGENT_MONGODB_USERNAME):$(PBM_AGENT_MONGODB_PASSWORD)@localhost:$(PBM_MONGODB_PORT)/?tls=true&tlsCertificateKeyFile=/tmp/tls.pem&tlsCAFile=/etc/mongodb-ssl/ca.crt&tlsInsecure=true
         - name: PBM_AGENT_TLS_ENABLED
           value: "true"
         image: perconalab/percona-server-mongodb-operator:main-backup
diff --git a/pkg/controller/perconaservermongodb/testdata/reconcile-statefulset/cfg-nv.yaml b/pkg/controller/perconaservermongodb/testdata/reconcile-statefulset/cfg-nv.yaml
index 026813419..1aeba53a1 100644
--- a/pkg/controller/perconaservermongodb/testdata/reconcile-statefulset/cfg-nv.yaml
+++ b/pkg/controller/perconaservermongodb/testdata/reconcile-statefulset/cfg-nv.yaml
@@ -182,7 +182,7 @@ spec:
             fieldRef:
               fieldPath: metadata.name
         - name: PBM_MONGODB_URI
-          value: mongodb://$(PBM_AGENT_MONGODB_USERNAME):$(PBM_AGENT_MONGODB_PASSWORD)@localhost:$(PBM_MONGODB_PORT)?tls=true&tlsCertificateKeyFile=/tmp/tls.pem&tlsCAFile=/etc/mongodb-ssl/ca.crt&tlsInsecure=true
+          value: mongodb://$(PBM_AGENT_MONGODB_USERNAME):$(PBM_AGENT_MONGODB_PASSWORD)@localhost:$(PBM_MONGODB_PORT)/?tls=true&tlsCertificateKeyFile=/tmp/tls.pem&tlsCAFile=/etc/mongodb-ssl/ca.crt&tlsInsecure=true
         - name: PBM_AGENT_TLS_ENABLED
           value: "true"
         image: perconalab/percona-server-mongodb-operator:main-backup
diff --git a/pkg/controller/perconaservermongodb/testdata/reconcile-statefulset/rs0-mongod.yaml b/pkg/controller/perconaservermongodb/testdata/reconcile-statefulset/rs0-mongod.yaml
index d89045987..5db729bfa 100644
--- a/pkg/controller/perconaservermongodb/testdata/reconcile-statefulset/rs0-mongod.yaml
+++ b/pkg/controller/perconaservermongodb/testdata/reconcile-statefulset/rs0-mongod.yaml
@@ -182,7 +182,7 @@ spec:
             fieldRef:
               fieldPath: metadata.name
         - name: PBM_MONGODB_URI
-          value: mongodb://$(PBM_AGENT_MONGODB_USERNAME):$(PBM_AGENT_MONGODB_PASSWORD)@localhost:$(PBM_MONGODB_PORT)?tls=true&tlsCertificateKeyFile=/tmp/tls.pem&tlsCAFile=/etc/mongodb-ssl/ca.crt&tlsInsecure=true
+          value: mongodb://$(PBM_AGENT_MONGODB_USERNAME):$(PBM_AGENT_MONGODB_PASSWORD)@localhost:$(PBM_MONGODB_PORT)/?tls=true&tlsCertificateKeyFile=/tmp/tls.pem&tlsCAFile=/etc/mongodb-ssl/ca.crt&tlsInsecure=true
         - name: PBM_AGENT_TLS_ENABLED
           value: "true"
         image: perconalab/percona-server-mongodb-operator:main-backup
diff --git a/pkg/controller/perconaservermongodb/testdata/reconcile-statefulset/rs0-nv.yaml b/pkg/controller/perconaservermongodb/testdata/reconcile-statefulset/rs0-nv.yaml
index d688d64ab..e32e6998c 100644
--- a/pkg/controller/perconaservermongodb/testdata/reconcile-statefulset/rs0-nv.yaml
+++ b/pkg/controller/perconaservermongodb/testdata/reconcile-statefulset/rs0-nv.yaml
@@ -181,7 +181,7 @@ spec:
             fieldRef:
               fieldPath: metadata.name
         - name: PBM_MONGODB_URI
-          value: mongodb://$(PBM_AGENT_MONGODB_USERNAME):$(PBM_AGENT_MONGODB_PASSWORD)@localhost:$(PBM_MONGODB_PORT)?tls=true&tlsCertificateKeyFile=/tmp/tls.pem&tlsCAFile=/etc/mongodb-ssl/ca.crt&tlsInsecure=true
+          value: mongodb://$(PBM_AGENT_MONGODB_USERNAME):$(PBM_AGENT_MONGODB_PASSWORD)@localhost:$(PBM_MONGODB_PORT)/?tls=true&tlsCertificateKeyFile=/tmp/tls.pem&tlsCAFile=/etc/mongodb-ssl/ca.crt&tlsInsecure=true
         - name: PBM_AGENT_TLS_ENABLED
           value: "true"
         image: perconalab/percona-server-mongodb-operator:main-backup
diff --git a/pkg/psmdb/statefulset.go b/pkg/psmdb/statefulset.go
index 534ff128d..c805fb41e 100644
--- a/pkg/psmdb/statefulset.go
+++ b/pkg/psmdb/statefulset.go
@@ -458,7 +458,7 @@ func buildMongoDBURI(ctx context.Context, tlsEnabled bool, sslSecret *corev1.Sec
 		if ok := sslSecretDataExist(ctx, sslSecret); ok {
 			// the certificate tmp/tls.pem is created on the fly during the execution of build/pbm-entry.sh
 			uri += fmt.Sprintf(
-				"?tls=true&tlsCertificateKeyFile=/tmp/tls.pem&tlsCAFile=%s/ca.crt&tlsInsecure=true",
+				"/?tls=true&tlsCertificateKeyFile=/tmp/tls.pem&tlsCAFile=%s/ca.crt&tlsInsecure=true",
 				SSLDir,
 			)
 		}