diff --git a/src/Sema.zig b/src/Sema.zig
index 65805b6a6716cf93ae39ee16dd340ac60e7293d1..dfa48e021d381e9a8161b6b3ed58e176f2a6ccdc 100644
--- a/src/Sema.zig
+++ b/src/Sema.zig
@@ -5511,7 +5511,7 @@ fn failWithBadMemberAccess(
         else => unreachable,
     };
     if (agg_ty.typeDeclInst(zcu)) |inst| if ((inst.resolve(ip) orelse return error.AnalysisFail) == .main_struct_inst) {
-        return sema.fail(block, field_src, "root struct of file '{}' has no member named '{}'", .{
+        return sema.fail(block, field_src, "root source file struct '{}' has no member named '{}'", .{
             agg_ty.fmt(pt), field_name.fmt(ip),
         });
     };
diff --git a/test/cases/compile_errors/bogus_compile_var.zig b/test/cases/compile_errors/bogus_compile_var.zig
index 3584730205ae8e180f7556faf5e310472b5f03ec..3562efa4f6c7787c1796d95c26b0cfa1283a4eb9 100644
--- a/test/cases/compile_errors/bogus_compile_var.zig
+++ b/test/cases/compile_errors/bogus_compile_var.zig
@@ -7,5 +7,5 @@ export fn entry() usize {
 // backend=stage2
 // target=native
 //
-// :1:29: error: root struct of file 'builtin' has no member named 'bogus'
+// :1:29: error: root source file struct 'builtin' has no member named 'bogus'
 // note: struct declared here
diff --git a/test/cases/compile_errors/missing_main_fn_in_executable.zig b/test/cases/compile_errors/missing_main_fn_in_executable.zig
index c1af588b99f062023407dda70950db8bc35fddcb..6eae09384608010b6c8bbc2c601d85c1e0e4bbd0 100644
--- a/test/cases/compile_errors/missing_main_fn_in_executable.zig
+++ b/test/cases/compile_errors/missing_main_fn_in_executable.zig
@@ -3,7 +3,7 @@
 // target=x86_64-linux
 // output_mode=Exe
 //
-// : error: root struct of file 'tmp' has no member named 'main'
+// : error: root source file struct 'tmp' has no member named 'main'
 // : note: struct declared here
 // : note: called from here
 // : note: called from here
diff --git a/test/cases/hello_world_with_updates.0.zig b/test/cases/hello_world_with_updates.0.zig
index bcd09204d0fd4ab3707b2bf07f6c0f0eba99e265..2cebc2c047d46c92940238a05f0a70460677ffcb 100644
--- a/test/cases/hello_world_with_updates.0.zig
+++ b/test/cases/hello_world_with_updates.0.zig
@@ -3,4 +3,4 @@
 // target=x86_64-linux,x86_64-macos
 // link_libc=true
 //
-// :?:?: error: root struct of file 'tmp' has no member named 'main'
+// :?:?: error: root source file struct 'tmp' has no member named 'main'