diff --git a/async-stream-impl/src/lib.rs b/async-stream-impl/src/lib.rs
index 42252ce..d6fcdca 100644
--- a/async-stream-impl/src/lib.rs
+++ b/async-stream-impl/src/lib.rs
@@ -129,7 +129,7 @@ impl VisitMut for Scrub<'_> {
                     {
                         #[allow(unreachable_code)]
                         if false {
-                            break 'check_stream_scope (loop {});
+                            break '__async_stream_private_check_scope (loop {});
                         }
                         #yield_expr
                     }
@@ -234,7 +234,7 @@ pub fn stream_inner(input: TokenStream) -> TokenStream {
     quote!({
         let (mut __yield_tx, __yield_rx) = unsafe { #crate_path::__private::yielder::pair() };
         #crate_path::__private::AsyncStream::new(__yield_rx, async move {
-            'check_stream_scope: {
+            '__async_stream_private_check_scope: {
                 #dummy_yield
                 #(#stmts)*
             }
@@ -270,7 +270,7 @@ pub fn try_stream_inner(input: TokenStream) -> TokenStream {
     quote!({
         let (mut __yield_tx, __yield_rx) = unsafe { #crate_path::__private::yielder::pair() };
         #crate_path::__private::AsyncStream::new(__yield_rx, async move {
-            'check_stream_scope: {
+            '__async_stream_private_check_scope: {
                 #dummy_yield
                 #(#stmts)*
             }
diff --git a/async-stream/tests/ui/unsoundness_issue_106.stderr b/async-stream/tests/ui/unsoundness_issue_106.stderr
index 5802a70..0c0214c 100644
--- a/async-stream/tests/ui/unsoundness_issue_106.stderr
+++ b/async-stream/tests/ui/unsoundness_issue_106.stderr
@@ -1,36 +1,36 @@
-error[E0767]: use of unreachable label `'check_stream_scope`
-  --> tests/ui/unsoundness_issue_106.rs:15:10
+error[E0767]: use of unreachable label `'__async_stream_private_check_scope`
+  --> tests/ui/unsoundness_issue_106.rs:14:10
    |
-15 |       pin!(stream! {
+14 |       pin!(stream! {
    |  __________^
-16 | |         let yield_42 = asynk!(yield 42_usize);
-17 | |         let s = stream! {
-18 | |             yield Box::new(12345);
+15 | |         let yield_42 = asynk!(yield 42_usize);
+16 | |         let s = stream! {
+17 | |             yield Box::new(12345);
 ...  |
-27 | |         }
-28 | |     })
+26 | |         }
+27 | |     })
    | |     ^
    | |     |
-   | |_____unreachable label `'check_stream_scope`
+   | |_____unreachable label `'__async_stream_private_check_scope`
    |       unreachable label defined here
    |
    = note: labels are unreachable through functions, closures, async blocks and modules
    = note: this error originates in the macro `$crate::__private::stream_inner` which comes from the expansion of the macro `stream` (in Nightly builds, run with -Z macro-backtrace for more info)
 
 error[E0267]: `break` inside `async` block
-  --> tests/ui/unsoundness_issue_106.rs:15:10
+  --> tests/ui/unsoundness_issue_106.rs:14:10
    |
 8  |           async { $e }
    |           ----- enclosing `async` block
 ...
-15 |       pin!(stream! {
+14 |       pin!(stream! {
    |  __________^
-16 | |         let yield_42 = asynk!(yield 42_usize);
-17 | |         let s = stream! {
-18 | |             yield Box::new(12345);
+15 | |         let yield_42 = asynk!(yield 42_usize);
+16 | |         let s = stream! {
+17 | |             yield Box::new(12345);
 ...  |
-27 | |         }
-28 | |     })
+26 | |         }
+27 | |     })
    | |_____^ cannot `break` inside `async` block
    |
    = note: this error originates in the macro `$crate::__private::stream_inner` which comes from the expansion of the macro `stream` (in Nightly builds, run with -Z macro-backtrace for more info)