diff --git a/core/api/current.txt b/core/api/current.txt
index 7aa1df7bdd8ae..af38f7bba66ee 100644
--- a/core/api/current.txt
+++ b/core/api/current.txt
@@ -41306,7 +41306,7 @@ package android.telephony {
   public static final class CarrierConfigManager.Bsf {
     field public static final String KEY_BSF_SERVER_FQDN_STRING = "bsf.bsf_server_fqdn_string";
     field public static final String KEY_BSF_SERVER_PORT_INT = "bsf.bsf_server_port_int";
-    field public static final String KEY_BSF_TRANSPORT_TYPE_INT = "bsf.bsf_transport type_int";
+    field public static final String KEY_BSF_TRANSPORT_TYPE_INT = "bsf.bsf_transport_type_int";
     field public static final String KEY_PREFIX = "bsf.";
   }
 
diff --git a/telephony/java/android/telephony/CarrierConfigManager.java b/telephony/java/android/telephony/CarrierConfigManager.java
index 3c277b7de0186..a7d44f99e2a85 100644
--- a/telephony/java/android/telephony/CarrierConfigManager.java
+++ b/telephony/java/android/telephony/CarrierConfigManager.java
@@ -7519,7 +7519,7 @@ public class CarrierConfigManager {
          * {@link Ims#PREFERRED_TRANSPORT_TCP} will apply.
          */
         public static final String KEY_BSF_TRANSPORT_TYPE_INT =
-                KEY_PREFIX + "bsf_transport type_int";
+                KEY_PREFIX + "bsf_transport_type_int";
 
         private static PersistableBundle getDefaults() {
             PersistableBundle defaults = new PersistableBundle();