diff --git a/radio/aidl/aidl_api/android.hardware.radio.network/current/android/hardware/radio/network/SecurityAlgorithm.aidl b/radio/aidl/aidl_api/android.hardware.radio.network/current/android/hardware/radio/network/SecurityAlgorithm.aidl
index 166450154c..3eb51e7e83 100644
--- a/radio/aidl/aidl_api/android.hardware.radio.network/current/android/hardware/radio/network/SecurityAlgorithm.aidl
+++ b/radio/aidl/aidl_api/android.hardware.radio.network/current/android/hardware/radio/network/SecurityAlgorithm.aidl
@@ -64,9 +64,9 @@ enum SecurityAlgorithm {
   DES_EDE3_CBC = 72,
   AES_EDE3_CBC = 73,
   HMAC_SHA1_96 = 74,
-  HMAC_SHA1_96_null = 75,
+  HMAC_SHA1_96_NULL = 75,
   HMAC_MD5_96 = 76,
-  HMAC_MD5_96_null = 77,
+  HMAC_MD5_96_NULL = 77,
   SRTP_AES_COUNTER = 87,
   SRTP_AES_F8 = 88,
   SRTP_HMAC_SHA1 = 89,
diff --git a/radio/aidl/android/hardware/radio/network/SecurityAlgorithm.aidl b/radio/aidl/android/hardware/radio/network/SecurityAlgorithm.aidl
index 71c654c53d..fefa26edd0 100644
--- a/radio/aidl/android/hardware/radio/network/SecurityAlgorithm.aidl
+++ b/radio/aidl/android/hardware/radio/network/SecurityAlgorithm.aidl
@@ -67,9 +67,9 @@ enum SecurityAlgorithm {
     DES_EDE3_CBC = 72,
     AES_EDE3_CBC = 73,
     HMAC_SHA1_96 = 74,
-    HMAC_SHA1_96_null = 75,
+    HMAC_SHA1_96_NULL = 75,
     HMAC_MD5_96 = 76,
-    HMAC_MD5_96_null = 77,
+    HMAC_MD5_96_NULL = 77,
 
     // RTP (see 3GPP TS 33.328)
     SRTP_AES_COUNTER = 87,