diff --git a/vlib/v/checker/checker.v b/vlib/v/checker/checker.v
index 2ea6877cb9..22b396f371 100644
--- a/vlib/v/checker/checker.v
+++ b/vlib/v/checker/checker.v
@@ -1161,7 +1161,8 @@ pub fn (mut c Checker) struct_init(mut node ast.StructInit) ast.Type {
 				// Do not allow empty uninitialized interfaces
 				sym := c.table.get_type_symbol(field.typ)
 				if sym.kind == .interface_ {
-					c.error('interface field `${type_sym.name}.$field.name` must be initialized',
+					// TODO error
+					c.warn('interface field `${type_sym.name}.$field.name` must be initialized',
 						node.pos)
 				}
 				// Do not allow empty uninitialized sum types
diff --git a/vlib/v/checker/tests/interface_init_err.out b/vlib/v/checker/tests/interface_init_err.out
index 238395c279..f9a63fac4d 100644
--- a/vlib/v/checker/tests/interface_init_err.out
+++ b/vlib/v/checker/tests/interface_init_err.out
@@ -1,5 +1,5 @@
-vlib/v/checker/tests/interface_init_err.vv:15:7: error: interface field `Server.handler` must be initialized
-   13 | 
+vlib/v/checker/tests/interface_init_err.vv:15:7: warning: interface field `Server.handler` must be initialized
+   13 |
    14 | fn main() {
    15 |     _ := Server{}
       |          ~~~~~~~~