diff --git a/src/ir.cpp b/src/ir.cpp
index b9a14d0fe1..215dac5946 100644
--- a/src/ir.cpp
+++ b/src/ir.cpp
@@ -18982,7 +18982,7 @@ static IrInstGen *ir_analyze_async_call(IrAnalyze *ira, IrInst* source_instr, Zi
         if (type_is_invalid(result_loc->value->type) || result_loc->value->type->id == ZigTypeIdUnreachable) {
             return result_loc;
         }
-        result_loc = ir_implicit_cast2(ira, &call_result_loc->source_instruction->base, result_loc,
+        result_loc = ir_implicit_cast2(ira, source_instr, result_loc,
                 get_pointer_to_type(ira->codegen, frame_type, false));
         if (type_is_invalid(result_loc->value->type))
             return ira->codegen->invalid_inst_gen;
@@ -19967,14 +19967,16 @@ static IrInstGen *ir_analyze_call_extra(IrAnalyze *ira, IrInst* source_instr,
         return ira->codegen->invalid_inst_gen;
 
     IrInstGen *stack = nullptr;
+    IrInst *stack_src = nullptr;
     if (stack_is_non_null) {
         stack = ir_analyze_optional_value_payload_value(ira, source_instr, opt_stack, false);
         if (type_is_invalid(stack->value->type))
             return ira->codegen->invalid_inst_gen;
+        stack_src = &stack->base;
     }
 
     return ir_analyze_fn_call(ira, source_instr, fn, fn_type, fn_ref, first_arg_ptr, first_arg_ptr_src,
-        modifier, stack, &stack->base, false, args_ptr, args_len, nullptr, result_loc);
+        modifier, stack, stack_src, false, args_ptr, args_len, nullptr, result_loc);
 }
 
 static IrInstGen *ir_analyze_instruction_call_extra(IrAnalyze *ira, IrInstSrcCallExtra *instruction) {
diff --git a/test/compile_errors.zig b/test/compile_errors.zig
index 361ff8d9a2..1f003ba73a 100644
--- a/test/compile_errors.zig
+++ b/test/compile_errors.zig
@@ -1188,7 +1188,7 @@ pub fn addCases(cases: *tests.CompileErrorContext) void {
         \\    suspend;
         \\}
     , &[_][]const u8{
-        "tmp.zig:3:5: error: expected type '*@Frame(bar)', found '*@Frame(foo)'",
+        "tmp.zig:3:13: error: expected type '*@Frame(bar)', found '*@Frame(foo)'",
     });
 
     cases.add("@Frame() of generic function",