diff --git a/compiler/rustc_target/src/spec/riscv64gc_unknown_none_elf.rs b/compiler/rustc_target/src/spec/riscv64gc_unknown_none_elf.rs
index 33a785fdfee..aa823b13fdd 100644
--- a/compiler/rustc_target/src/spec/riscv64gc_unknown_none_elf.rs
+++ b/compiler/rustc_target/src/spec/riscv64gc_unknown_none_elf.rs
@@ -11,6 +11,7 @@ pub fn target() -> Target {
         options: TargetOptions {
             linker_flavor: LinkerFlavor::Lld(LldFlavor::Ld),
             linker: Some("rust-lld".to_string()),
+            llvm_abiname: "lp64d".to_string(),
             cpu: "generic-rv64".to_string(),
             max_atomic_width: Some(64),
             atomic_cas: true,