diff --git a/packages/prisma/extensions/disallow-undefined-delete-update-many.test.ts b/packages/prisma/extensions/disallow-undefined-delete-update-many.test.ts
index a7b07968f7..aeffe9168d 100644
--- a/packages/prisma/extensions/disallow-undefined-delete-update-many.test.ts
+++ b/packages/prisma/extensions/disallow-undefined-delete-update-many.test.ts
@@ -35,4 +35,13 @@ describe("Disallow undefined delete/update many", () => {
 
     checkUndefinedInValue(where);
   });
+
+  it("checkUndefinedInValue should not throw exception when the where object contain null values", async () => {
+    const where = {
+      teamId: null,
+      parentId: null,
+    };
+
+    checkUndefinedInValue(where);
+  });
 });
diff --git a/packages/prisma/extensions/disallow-undefined-delete-update-many.ts b/packages/prisma/extensions/disallow-undefined-delete-update-many.ts
index 441de4901d..25d9303c5a 100644
--- a/packages/prisma/extensions/disallow-undefined-delete-update-many.ts
+++ b/packages/prisma/extensions/disallow-undefined-delete-update-many.ts
@@ -12,6 +12,10 @@ export const checkUndefinedInValue = (where: any) => {
         throw new Error(message);
       }
 
+      if (whereInput === null) {
+        continue;
+      }
+
       if (whereInput.hasOwnProperty("in") && typeof whereInput.in === "undefined") {
         message = `The "in" value for the field "${key}" cannot be undefined.`;
         throw new Error(message);