diff --git a/aya-log-common/src/lib.rs b/aya-log-common/src/lib.rs
index 472090ee..24f41610 100644
--- a/aya-log-common/src/lib.rs
+++ b/aya-log-common/src/lib.rs
@@ -217,7 +217,7 @@ impl WriteToBuf for [u16; 8] {
     // compile-time constant.
     #[inline(never)]
     fn write(self, buf: &mut [u8]) -> Option<NonZeroUsize> {
-        let bytes = unsafe { core::mem::transmute::<_, [u8; 16]>(self) };
+        let bytes = unsafe { core::mem::transmute::<[u16; 8], [u8; 16]>(self) };
         write(Argument::ArrU16Len8.into(), &bytes, buf)
     }
 }
diff --git a/aya/src/maps/mod.rs b/aya/src/maps/mod.rs
index 192c988b..155c02a7 100644
--- a/aya/src/maps/mod.rs
+++ b/aya/src/maps/mod.rs
@@ -1127,7 +1127,7 @@ mod tests {
                 );
                 let map_info = unsafe { &mut *(attr.info.info as *mut bpf_map_info) };
                 map_info.name[..TEST_NAME.len()]
-                    .copy_from_slice(unsafe { mem::transmute(TEST_NAME) });
+                    .copy_from_slice(unsafe { mem::transmute::<&[u8], &[i8]>(TEST_NAME.as_bytes()) });
                 Ok(0)
             }
             _ => Err((-1, io::Error::from_raw_os_error(EFAULT))),