diff --git a/src/Sema.zig b/src/Sema.zig
index fa066bcd33..29c5c14702 100644
--- a/src/Sema.zig
+++ b/src/Sema.zig
@@ -10590,7 +10590,7 @@ fn zirSwitchBlockErrUnion(sema: *Sema, block: *Block, inst: Zir.Inst.Index) Comp
             break :err_union_ty raw_operand_ty.childType(zcu);
         };
         if (err_union_ty.zigTypeTag(zcu) != .error_union) {
-            return sema.fail(block, src, "expected error union type, found '{f}'", .{
+            return sema.fail(block, operand_src, "expected error union type, found '{f}'", .{
                 err_union_ty.fmt(pt),
             });
         }
diff --git a/test/cases/compile_errors/switch_on_non_err_union.zig b/test/cases/compile_errors/switch_on_non_err_union.zig
index d505c6d2f1..67eb2035ba 100644
--- a/test/cases/compile_errors/switch_on_non_err_union.zig
+++ b/test/cases/compile_errors/switch_on_non_err_union.zig
@@ -5,6 +5,5 @@ pub fn main() void {
 }
 
 // error
-// target=x86_64-linux
 //
-// :2:23: error: expected error union type, found 'bool'
+// :2:11: error: expected error union type, found 'bool'