diff --git a/plugins/main/bridge/bridge.go b/plugins/main/bridge/bridge.go
index 6620dd54..cc6bf7dd 100644
--- a/plugins/main/bridge/bridge.go
+++ b/plugins/main/bridge/bridge.go
@@ -76,7 +76,7 @@ func loadNetConf(bytes []byte) (*NetConf, string, error) {
 		return nil, "", fmt.Errorf("failed to load netconf: %v", err)
 	}
 	if n.Vlan < 0 || n.Vlan > 4094 {
-		return nil, "", fmt.Errorf(`invalid VLAN ID %d (must be between 0 and 4094)`, n.Vlan)
+		return nil, "", fmt.Errorf("invalid VLAN ID %d (must be between 0 and 4094)", n.Vlan)
 	}
 	return n, n.CNIVersion, nil
 }
diff --git a/plugins/main/vlan/vlan.go b/plugins/main/vlan/vlan.go
index a7cd7c75..355d261f 100644
--- a/plugins/main/vlan/vlan.go
+++ b/plugins/main/vlan/vlan.go
@@ -53,10 +53,10 @@ func loadConf(bytes []byte) (*NetConf, string, error) {
 		return nil, "", fmt.Errorf("failed to load netconf: %v", err)
 	}
 	if n.Master == "" {
-		return nil, "", fmt.Errorf(`"master" field is required. It specifies the host interface name to create the VLAN for.`)
+		return nil, "", fmt.Errorf("\"master\" field is required. It specifies the host interface name to create the VLAN for.")
 	}
 	if n.VlanId < 0 || n.VlanId > 4094 {
-		return nil, "", fmt.Errorf(`invalid VLAN ID %d (must be between 0 and 4095 inclusive)`, n.VlanId)
+		return nil, "", fmt.Errorf("invalid VLAN ID %d (must be between 0 and 4095 inclusive)", n.VlanId)
 	}
 	return n, n.CNIVersion, nil
 }