diff --git a/src/unix/notbsd/linux/musl/mod.rs b/src/unix/notbsd/linux/musl/mod.rs
index 2e61343cf18943fdfecec4e033a844cda274f562..b9bb50e1535b0c6e44a682ce840b8050199866df 100644
--- a/src/unix/notbsd/linux/musl/mod.rs
+++ b/src/unix/notbsd/linux/musl/mod.rs
@@ -309,7 +309,9 @@ extern {
 }
 
 cfg_if! {
-    if #[cfg(any(target_arch = "x86_64", target_arch = "aarch64"))] {
+    if #[cfg(any(target_arch = "x86_64",
+                 target_arch = "aarch64",
+                 target_arch = "powerpc64"))] {
         mod b64;
         pub use self::b64::*;
     } else if #[cfg(any(target_arch = "x86",