diff --git a/packages/server/src/integrations/snowflake.ts b/packages/server/src/integrations/snowflake.ts
index e82b796a59..950c1009ec 100644
--- a/packages/server/src/integrations/snowflake.ts
+++ b/packages/server/src/integrations/snowflake.ts
@@ -112,9 +112,15 @@ module SnowflakeModule {
         const descResp = await this.internalQuery({
           sql: `DESCRIBE TABLE ${tableName};`,
         })
+        if (tableName === "CUSTOMER") {
+          console.log("DESC = ", descResp)
+        }
         for (let column of descResp) {
-          const columnName = column.name
-          if (column["primary key"] === "Y") {
+          const columnName = column.Field
+          if (
+            column["primary key"] === "Y" &&
+            primaryKeys.indexOf(column.Key) === -1
+          ) {
             primaryKeys.push(columnName)
           }
           const constraints = {