diff --git a/changelog/2648.fixed.md b/changelog/2648.fixed.md
new file mode 100644
index 0000000000..69f2f903ea
--- /dev/null
+++ b/changelog/2648.fixed.md
@@ -0,0 +1 @@
+ptrace for Linux fix first argument type (u32 to i32) for s390x/musl
diff --git a/src/sys/ptrace/linux.rs b/src/sys/ptrace/linux.rs
index 8c1a46ba8d..0490988786 100644
--- a/src/sys/ptrace/linux.rs
+++ b/src/sys/ptrace/linux.rs
@@ -24,7 +24,7 @@ pub type AddressType = *mut ::libc::c_void;
 use libc::user_regs_struct;
 
 cfg_if! {
-    if #[cfg(any(all(target_os = "linux", target_arch = "s390x"),
+    if #[cfg(any(
                  all(target_os = "linux", target_env = "gnu"),
                  target_env = "uclibc"))] {
         #[doc(hidden)]