diff --git a/modules/gdscript/gdscript_vm.cpp b/modules/gdscript/gdscript_vm.cpp
index 715505d8313..2204b4021a6 100644
--- a/modules/gdscript/gdscript_vm.cpp
+++ b/modules/gdscript/gdscript_vm.cpp
@@ -1805,15 +1805,17 @@ Variant GDScriptFunction::call(GDScriptInstance *p_instance, const Variant **p_a
 				const StringName native_type = _global_names_ptr[native_type_idx];
 
 				Array array;
+				array.set_typed(builtin_type, native_type, *script_type);
 				array.resize(argc);
 				for (int i = 0; i < argc; i++) {
-					array[i] = *(instruction_args[i]);
+					// Use .set instead of operator[] to handle type conversion / validation.
+					array.set(i, *(instruction_args[i]));
 				}
 
 				GET_INSTRUCTION_ARG(dst, argc);
 				*dst = Variant(); // Clear potential previous typed array.
 
-				*dst = Array(array, builtin_type, native_type, *script_type);
+				*dst = array;
 
 				ip += 4;
 			}
@@ -1864,18 +1866,20 @@ Variant GDScriptFunction::call(GDScriptInstance *p_instance, const Variant **p_a
 				const StringName value_native_type = _global_names_ptr[value_native_type_idx];
 
 				Dictionary dict;
+				dict.set_typed(key_builtin_type, key_native_type, *key_script_type, value_builtin_type, value_native_type, *value_script_type);
 
 				for (int i = 0; i < argc; i++) {
 					GET_INSTRUCTION_ARG(k, i * 2 + 0);
 					GET_INSTRUCTION_ARG(v, i * 2 + 1);
-					dict[*k] = *v;
+					// Use .set instead of operator[] to handle type conversion / validation.
+					dict.set(*k, *v);
 				}
 
 				GET_INSTRUCTION_ARG(dst, argc * 2);
 
 				*dst = Variant(); // Clear potential previous typed dictionary.
 
-				*dst = Dictionary(dict, key_builtin_type, key_native_type, *key_script_type, value_builtin_type, value_native_type, *value_script_type);
+				*dst = dict;
 
 				ip += 6;
 			}
diff --git a/modules/gdscript/tests/scripts/runtime/errors/typed_array_assign_wrong_to_typed.out b/modules/gdscript/tests/scripts/runtime/errors/typed_array_assign_wrong_to_typed.out
index c1404310120..2b4b64b092e 100644
--- a/modules/gdscript/tests/scripts/runtime/errors/typed_array_assign_wrong_to_typed.out
+++ b/modules/gdscript/tests/scripts/runtime/errors/typed_array_assign_wrong_to_typed.out
@@ -1,6 +1,5 @@
 GDTEST_RUNTIME_ERROR
 >> ERROR: Method/function failed. Returning: false
->>   Attempted to assign an object into a TypedArray, that does not inherit from 'GDScript'.
->> ERROR: Method/function failed.
->>   Unable to convert array index 0 from "Object" to "Object".
+>>   Attempted to set an object into a TypedArray, that does not inherit from 'GDScript'.
+>> ERROR: Condition "!_p->typed.validate(value, "set")" is true.
 not ok
diff --git a/modules/gdscript/tests/scripts/runtime/errors/typed_dictionary_assign_wrong_to_typed.out b/modules/gdscript/tests/scripts/runtime/errors/typed_dictionary_assign_wrong_to_typed.out
index 11ba1c06e50..80a2cac1c6a 100644
--- a/modules/gdscript/tests/scripts/runtime/errors/typed_dictionary_assign_wrong_to_typed.out
+++ b/modules/gdscript/tests/scripts/runtime/errors/typed_dictionary_assign_wrong_to_typed.out
@@ -1,6 +1,5 @@
 GDTEST_RUNTIME_ERROR
 >> ERROR: Method/function failed. Returning: false
->>   Attempted to assign an object into a TypedDictionary.Key, that does not inherit from 'GDScript'.
->> ERROR: Method/function failed.
->>   Unable to convert key from "Object" to "Object".
+>>   Attempted to set an object into a TypedDictionary.Key, that does not inherit from 'GDScript'.
+>> ERROR: Condition "!_p->typed_key.validate(key, "set")" is true. Returning: false
 not ok