diff --git a/sdk/sysvar/Cargo.toml b/sdk/sysvar/Cargo.toml
index c4a3ac539d22bb..ae850d37061da7 100644
--- a/sdk/sysvar/Cargo.toml
+++ b/sdk/sysvar/Cargo.toml
@@ -13,6 +13,9 @@ edition = { workspace = true }
 solana-program-error = { workspace = true }
 solana-pubkey = { workspace = true, default-features = false }
 
+[target.'cfg(target_os = "solana")'.dependencies]
+solana-define-syscall = { workspace = true }
+
 [dev-dependencies]
 solana-program-entrypoint = { workspace = true }
 static_assertions = { workspace = true }