diff --git a/interface/Cargo.toml b/interface/Cargo.toml
index 7394eb84..5399e272 100644
--- a/interface/Cargo.toml
+++ b/interface/Cargo.toml
@@ -27,7 +27,7 @@ solana-cpi = { version = "^2.1", optional = true }
 solana-frozen-abi = { version = "^2.1", features = ["frozen-abi"], optional = true }
 solana-frozen-abi-macro = { version = "^2.1", features = ["frozen-abi"], optional = true }
 solana-instruction = "^2.1"
-solana-program-error = { version = "^2.1", optional = true }
+solana-program-error = { version = "^2.1" }
 solana-pubkey = { version = "^2.1", default-features = false }
 solana-system-interface = "^1.0"
 solana-sysvar-id = "2.1"
@@ -49,7 +49,6 @@ rustdoc-args = ["--cfg=docsrs"]
 [features]
 bincode = [
     "dep:solana-cpi",
-    "dep:solana-program-error",
     "solana-instruction/bincode",
     "solana-instruction/serde",
     "solana-system-interface/bincode",
diff --git a/interface/src/error.rs b/interface/src/error.rs
index 89f14179..c4d97e23 100644
--- a/interface/src/error.rs
+++ b/interface/src/error.rs
@@ -1,6 +1,7 @@
 use {
     num_traits::{FromPrimitive, ToPrimitive},
     solana_decode_error::DecodeError,
+    solana_program_error::ProgramError,
 };
 
 /// Reasons the Stake might have had an error.
@@ -68,6 +69,12 @@ pub enum StakeError {
     EpochRewardsActive,
 }
 
+impl From<StakeError> for ProgramError {
+    fn from(e: StakeError) -> Self {
+        ProgramError::Custom(e as u32)
+    }
+}
+
 impl FromPrimitive for StakeError {
     #[inline]
     fn from_i64(n: i64) -> Option<Self> {