diff --git a/.changeset/wet-nails-develop.md b/.changeset/wet-nails-develop.md
new file mode 100644
index 0000000000..e9ead68bc7
--- /dev/null
+++ b/.changeset/wet-nails-develop.md
@@ -0,0 +1,5 @@
+---
+'@urql/core': patch
+---
+
+Fix variable types in core makeOperation
diff --git a/packages/core/src/utils/operation.ts b/packages/core/src/utils/operation.ts
index 78eb157c84..b8a69bbf37 100644
--- a/packages/core/src/utils/operation.ts
+++ b/packages/core/src/utils/operation.ts
@@ -1,17 +1,24 @@
 import {
+  AnyVariables,
   GraphQLRequest,
   Operation,
   OperationContext,
   OperationType,
 } from '../types';
 
-function makeOperation<Data = any, Variables = object>(
+function makeOperation<
+  Data = any,
+  Variables extends AnyVariables = AnyVariables
+>(
   kind: OperationType,
   request: GraphQLRequest<Data, Variables>,
   context: OperationContext
 ): Operation<Data, Variables>;
 
-function makeOperation<Data = any, Variables = object>(
+function makeOperation<
+  Data = any,
+  Variables extends AnyVariables = AnyVariables
+>(
   kind: OperationType,
   request: Operation<Data, Variables>,
   context?: OperationContext