diff --git a/internal/bsr/bsr.go b/internal/bsr/bsr.go
index 68b92beb2..f76729f10 100644
--- a/internal/bsr/bsr.go
+++ b/internal/bsr/bsr.go
@@ -718,15 +718,20 @@ func (s *Session) NewConnection(ctx context.Context, meta *ConnectionMeta) (*Con
 
 // OpenConnection will open and validate a BSR connection
 func (s *Session) OpenConnection(ctx context.Context, connId string) (*Connection, error) {
-	const op = "bsr.OpenConnection"
+	const op = "bsr.(Session).OpenConnection"
 	switch {
 	case connId == "":
 		return nil, fmt.Errorf("%s: missing connection id: %w", op, ErrInvalidParameter)
-	case !s.Meta.connections[connId]:
+	}
+
+	name := fmt.Sprintf(connectionFile, connId)
+
+	switch {
+	case !s.Meta.connections[name]:
 		return nil, fmt.Errorf("%s: connection id does not exist within this session: %w", op, ErrInvalidParameter)
 	}
 
-	c, err := s.container.container.SubContainer(ctx, connId)
+	c, err := s.container.container.SubContainer(ctx, name)
 	if err != nil {
 		return nil, err
 	}
@@ -856,11 +861,15 @@ func (c *Connection) OpenChannel(ctx context.Context, chanId string) (*Channel,
 	switch {
 	case chanId == "":
 		return nil, fmt.Errorf("%s: missing channel id: %w", op, ErrInvalidParameter)
-	case !c.Meta.channels[chanId]:
+	}
+
+	name := fmt.Sprintf(channelFile, chanId)
+	switch {
+	case !c.Meta.channels[name]:
 		return nil, fmt.Errorf("%s: channel id does not exist within this connection: %w", op, ErrInvalidParameter)
 	}
 
-	con, err := c.container.container.SubContainer(ctx, chanId)
+	con, err := c.container.container.SubContainer(ctx, name)
 	if err != nil {
 		return nil, err
 	}
diff --git a/internal/bsr/bsr_open_test.go b/internal/bsr/bsr_open_test.go
index 33e21e08f..a4f713120 100644
--- a/internal/bsr/bsr_open_test.go
+++ b/internal/bsr/bsr_open_test.go
@@ -5,7 +5,6 @@ package bsr
 
 import (
 	"context"
-	"fmt"
 	"testing"
 
 	"github.com/hashicorp/boundary/internal/bsr/internal/fstest"
@@ -114,13 +113,13 @@ func TestOpenBSRMethods(t *testing.T) {
 	sesh.Meta.connections = opSesh.Meta.connections
 	require.Equal(t, sesh.Meta, opSesh.Meta)
 
-	opConn, err := opSesh.OpenConnection(ctx, fmt.Sprintf("connection.%s", connectionId))
+	opConn, err := opSesh.OpenConnection(ctx, connectionId)
 	require.NoError(t, err)
 	require.NotNil(t, opConn)
 	conn.Meta.channels = opConn.Meta.channels
 	require.Equal(t, conn.Meta, opConn.Meta)
 
-	opChan, err := opConn.OpenChannel(ctx, fmt.Sprintf("channel.%s", channelId))
+	opChan, err := opConn.OpenChannel(ctx, channelId)
 	require.NoError(t, err)
 	require.NotNil(t, opChan)
 	require.Equal(t, ch.Meta, opChan.Meta)
@@ -204,14 +203,14 @@ func TestOpenConnection(t *testing.T) {
 		{
 			name:            "no-conn-id",
 			wantErr:         true,
-			wantErrContains: "bsr.OpenConnection: missing connection id: invalid parameter",
+			wantErrContains: "bsr.(Session).OpenConnection: missing connection id: invalid parameter",
 		},
 
 		{
 			name:            "bad-conn-id",
 			id:              "bogus",
 			wantErr:         true,
-			wantErrContains: "bsr.OpenConnection: connection id does not exist within this session: invalid parameter",
+			wantErrContains: "bsr.(Session).OpenConnection: connection id does not exist within this session: invalid parameter",
 		},
 	}
 	for _, tc := range cases {