diff --git a/IdentityCore/src/oauth2/account/MSIDAccountType.h b/IdentityCore/src/oauth2/account/MSIDAccountType.h
index 031124cef..7780b3f05 100644
--- a/IdentityCore/src/oauth2/account/MSIDAccountType.h
+++ b/IdentityCore/src/oauth2/account/MSIDAccountType.h
@@ -28,7 +28,8 @@ typedef NS_ENUM(NSInteger, MSIDAccountType)
     MSIDAccountTypeOther,
     MSIDAccountTypeAADV1,
     MSIDAccountTypeMSA,
-    MSIDAccountTypeMSSTS
+    MSIDAccountTypeMSSTS,
+    MSIDAccountTypeADFS
 };
 
 @interface MSIDAccountTypeHelpers : NSObject
diff --git a/IdentityCore/src/oauth2/account/MSIDAccountType.m b/IdentityCore/src/oauth2/account/MSIDAccountType.m
index cd0d0c6af..ebdee6222 100644
--- a/IdentityCore/src/oauth2/account/MSIDAccountType.m
+++ b/IdentityCore/src/oauth2/account/MSIDAccountType.m
@@ -37,6 +37,9 @@ + (NSString *)accountTypeAsString:(MSIDAccountType)accountType
             
         case MSIDAccountTypeMSSTS:
             return @"MSSTS";
+
+	case MSIDAccountTypeADFS:
+	    return @"ADFS";
             
         default:
             return @"Other";
@@ -53,7 +56,8 @@ + (MSIDAccountType)accountTypeFromString:(NSString *)type
         
         sAccountTypes = @{@"aad": @(MSIDAccountTypeAADV1),
                           @"msa": @(MSIDAccountTypeMSA),
-                          @"mssts": @(MSIDAccountTypeMSSTS)};
+                          @"mssts": @(MSIDAccountTypeMSSTS),
+			  @"adfs": @(MSIDAccountTypeADFS)};
     });
     
     NSNumber *accountType = sAccountTypes[type.lowercaseString];
diff --git a/changelog.txt b/changelog.txt
index 19e481218..487751ba5 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -1,3 +1,6 @@
+Version 1.7.37
+* Added new account type to handle On-prem ADFS scenarios. (#1397)
+
 Version 1.7.36
 * Add platform sequence telemetry param. (#1378)
 * Update broker automations lab API. (#1377)