diff --git a/src/ir.cpp b/src/ir.cpp
index fa270e5f3a..6304114b89 100644
--- a/src/ir.cpp
+++ b/src/ir.cpp
@@ -3970,7 +3970,7 @@ static IrInstruction *ir_gen_fn_call(IrBuilder *irb, Scope *scope, AstNode *node
     }
 
     bool is_comptime = node->data.fn_call_expr.is_comptime;
-    return ir_mark_gen(ir_build_call(irb, scope, node, nullptr, fn_ref, arg_count, args, is_comptime));
+    return ir_build_call(irb, scope, node, nullptr, fn_ref, arg_count, args, is_comptime);
 }
 
 static IrInstruction *ir_gen_if_bool_expr(IrBuilder *irb, Scope *scope, AstNode *node) {
diff --git a/test/run_tests.cpp b/test/run_tests.cpp
index 97f0c2a788..4bc3c0be83 100644
--- a/test/run_tests.cpp
+++ b/test/run_tests.cpp
@@ -969,7 +969,7 @@ fn f() {
 fn f() -> i32 {
     i32(return 1)
 }
-    )SOURCE", 1, ".tmp_source.zig:3:8: error: invalid cast from type 'unreachable' to 'i32'");
+    )SOURCE", 1, ".tmp_source.zig:3:8: error: unreachable code");
 
     add_compile_fail_case("invalid builtin fn", R"SOURCE(
 fn f() -> @bogus(foo) {