diff --git a/releasenotes.md b/releasenotes.md
index f143390e9..deb0074c0 100644
--- a/releasenotes.md
+++ b/releasenotes.md
@@ -6,6 +6,7 @@
 
 ### Fixes
 - Compiler assert with var x @noinit = 0 #2452
+- Confusing error message when type has [] overloaded but not []= #2453
 
 ### Stdlib changes
 
diff --git a/src/compiler/sema_expr.c b/src/compiler/sema_expr.c
index 4c01626a3..502258653 100644
--- a/src/compiler/sema_expr.c
+++ b/src/compiler/sema_expr.c
@@ -3807,11 +3807,15 @@ static inline bool sema_expr_resolve_subscript_index(SemaContext *context, Expr
 		if (!subscript_type)
 		{
 			if (check_valid) return false;
-			if (overload_type == OVERLOAD_ELEMENT_REF)
+			switch (overload_type)
 			{
-				RETURN_SEMA_ERROR(expr, "Getting a reference to a subscript of %s is not possible.", type_quoted_error_string(subscripted->type));
+				case OVERLOAD_ELEMENT_REF:
+					RETURN_SEMA_ERROR(expr, "Getting a reference to a subscript of %s is not possible.", type_quoted_error_string(subscripted->type));
+				case OVERLOAD_ELEMENT_SET:
+					RETURN_SEMA_ERROR(expr, "Assigning to a subscript of %s is not possible.", type_quoted_error_string(subscripted->type));
+				default:
+					RETURN_SEMA_ERROR(expr, "Indexing a value of type %s is not possible.", type_quoted_error_string(subscripted->type));
 			}
-			RETURN_SEMA_ERROR(expr, "Indexing a value of type %s is not possible.", type_quoted_error_string(subscripted->type));
 		}
 		if (!overload) current_type = type_flatten(current_expr->type);
 	}
diff --git a/test/test_suite/expressions/fail_index_usize.c3 b/test/test_suite/expressions/fail_index_usize.c3
index 438d83cde..f1f113d5b 100644
--- a/test/test_suite/expressions/fail_index_usize.c3
+++ b/test/test_suite/expressions/fail_index_usize.c3
@@ -1,5 +1,5 @@
 fn void test(int* array, usz n)
 {
     array[n] = 33;
-    n[array] = 33; // #error: Indexing a value of type
+    n[array] = 33; // #error: Assigning to a subscript of
 }
diff --git a/test/test_suite/methods/subscript_set_error.c3 b/test/test_suite/methods/subscript_set_error.c3
new file mode 100644
index 000000000..723c936e1
--- /dev/null
+++ b/test/test_suite/methods/subscript_set_error.c3
@@ -0,0 +1,14 @@
+fn int main(String[] args)
+{
+	MyArray a = {{1, 4, 3, 6, 5}};
+	a[0] = a[1]; // #error: Assigning to a subscript of 'MyArray' is not possible
+	return 0;
+}
+
+struct MyArray
+{
+	int[] val;
+}
+
+fn int MyArray.get(self, usz idx) @operator([]) => self.val[idx];
+fn usz MyArray.len(self) @operator(len) => self.val.len;
\ No newline at end of file