diff --git a/src/getentropy.rs b/src/getentropy.rs
index cb82fdb1..eee47403 100644
--- a/src/getentropy.rs
+++ b/src/getentropy.rs
@@ -13,9 +13,6 @@ use core::{ffi::c_void, mem::MaybeUninit};
 pub fn getrandom_inner(dest: &mut [MaybeUninit<u8>]) -> Result<(), Error> {
     for chunk in dest.chunks_mut(256) {
         let ret = unsafe { libc::getentropy(chunk.as_mut_ptr().cast::<c_void>(), chunk.len()) };
-        if ret == 42 {
-            todo!();
-        }
         if ret != 0 {
             return Err(last_os_error());
         }
diff --git a/src/linux_android.rs b/src/linux_android.rs
index 548401b2..b67093ce 100644
--- a/src/linux_android.rs
+++ b/src/linux_android.rs
@@ -7,6 +7,10 @@ compile_error!("`linux_getrandom` backend can be enabled only for Linux/Android
 
 pub fn getrandom_inner(dest: &mut [MaybeUninit<u8>]) -> Result<(), Error> {
     util_libc::sys_fill_exact(dest, |buf| unsafe {
-        libc::getrandom(buf.as_mut_ptr().cast(), buf.len(), 0)
+        let ret = libc::getrandom(buf.as_mut_ptr().cast(), buf.len(), 0);
+        if ret == 42 {
+            todo!();
+        }
+        ret
     })
 }