diff --git a/src/Umbraco.Core/Persistence/Migrations/Upgrades/TargetVersionSevenElevenTwelve/SetDefaultTagsStorageType.cs b/src/Umbraco.Core/Persistence/Migrations/Upgrades/TargetVersionSevenElevenTwelve/SetDefaultTagsStorageType.cs
new file mode 100644
index 0000000000..9e4fe95100
--- /dev/null
+++ b/src/Umbraco.Core/Persistence/Migrations/Upgrades/TargetVersionSevenElevenTwelve/SetDefaultTagsStorageType.cs
@@ -0,0 +1,48 @@
+using Umbraco.Core.Logging;
+using Umbraco.Core.Persistence.SqlSyntax;
+
+namespace Umbraco.Core.Persistence.Migrations.Upgrades.TargetVersionSevenElevenTwelve
+{
+    /// <summary>
+    /// Set the default storageType for the tags datatype to "CSV" to ensure backwards compatibilty since the default is going to be JSON in new versions
+    /// </summary>
+    
+    [Migration("7.12.0", 1, Constants.System.UmbracoMigrationName)]
+    public class SetDefaultTagsStorageType: MigrationBase
+    {
+        public SetDefaultTagsStorageType(ISqlSyntaxProvider sqlSyntax, ILogger logger) : base(sqlSyntax, logger)
+        {
+        }
+
+        public override void Up()
+        {
+            if (Context == null || Context.Database == null) return;
+
+
+            // We need to get all datatypes with an alias of "umbraco.tags" so we can loop over them and set the missing values if needed
+            var nodeIds = Context.Database.Query<int>("SELECT NodeId FROM CmsDataType WHERE PropertyEditorAlias = {0}", Constants.PropertyEditors.TagsAlias);
+
+            foreach (var nodeId in nodeIds)
+            {
+                // We need to check if the node has a "storageType" set
+                var result = Context.Database.SingleOrDefault<string>("SELECT value FROM CmsDataTypePrevalue WHERE nodeId = {0} AND alias = '{1}'", nodeId, "storageType");
+
+                // if the "storageType" has not been set we do so by adding a new row in the table for the nodid and set it
+                if (result == null)
+                {
+                    Insert.IntoTable("CmsDataTypePrevalue").Row(new
+                    {
+                        datatypeNodId = nodeId,
+                        value = "Csv",
+                        sortOrder = 2,
+                        alias = "storageType"
+                    });
+                }
+            }
+        }
+
+        public override void Down()
+        {
+        }
+    }
+}
diff --git a/src/Umbraco.Core/Umbraco.Core.csproj b/src/Umbraco.Core/Umbraco.Core.csproj
index 9e6f0cb7e5..0fbfaa0b27 100644
--- a/src/Umbraco.Core/Umbraco.Core.csproj
+++ b/src/Umbraco.Core/Umbraco.Core.csproj
@@ -568,6 +568,7 @@
     <Compile Include="Persistence\Migrations\Upgrades\TargetVersionSevenEightZero\AddInstructionCountColumn.cs" />
     <Compile Include="Persistence\Migrations\Upgrades\TargetVersionSevenEightZero\AddCmsMediaTable.cs" />
     <Compile Include="Persistence\Migrations\Upgrades\TargetVersionSevenEightZero\AddUserLoginTable.cs" />
+    <Compile Include="Persistence\Migrations\Upgrades\TargetVersionSevenElevenTwelve\SetDefaultTagsStorageType.cs" />
     <Compile Include="Persistence\Migrations\Upgrades\TargetVersionSevenTwelveZero\SetDefaultTagsStorageType.cs" />
     <Compile Include="Persistence\Migrations\Upgrades\TargetVersionSevenNineZero\AddUmbracoAuditTable.cs" />
     <Compile Include="Persistence\Migrations\Upgrades\TargetVersionSevenNineZero\AddUmbracoConsentTable.cs" />