diff --git a/frame/contracts/src/wasm/mod.rs b/frame/contracts/src/wasm/mod.rs
index 10aa0d19a04f7..6a807710a5265 100644
--- a/frame/contracts/src/wasm/mod.rs
+++ b/frame/contracts/src/wasm/mod.rs
@@ -541,11 +541,10 @@ mod tests {
 	}
 
 	#[test]
-	#[cfg(feature = "unstable-interface")]
 	fn contract_call_forward_input() {
 		const CODE: &str = r#"
 (module
-	(import "__unstable__" "seal_call" (func $seal_call (param i32 i32 i64 i32 i32 i32 i32 i32) (result i32)))
+	(import "seal1" "seal_call" (func $seal_call (param i32 i32 i64 i32 i32 i32 i32 i32) (result i32)))
 	(import "seal0" "seal_input" (func $seal_input (param i32 i32)))
 	(import "env" "memory" (memory 1 1))
 	(func (export "call")
@@ -596,11 +595,10 @@ mod tests {
 	}
 
 	#[test]
-	#[cfg(feature = "unstable-interface")]
 	fn contract_call_clone_input() {
 		const CODE: &str = r#"
 (module
-	(import "__unstable__" "seal_call" (func $seal_call (param i32 i32 i64 i32 i32 i32 i32 i32) (result i32)))
+	(import "seal1" "seal_call" (func $seal_call (param i32 i32 i64 i32 i32 i32 i32 i32) (result i32)))
 	(import "seal0" "seal_input" (func $seal_input (param i32 i32)))
 	(import "seal0" "seal_return" (func $seal_return (param i32 i32 i32)))
 	(import "env" "memory" (memory 1 1))
@@ -652,11 +650,10 @@ mod tests {
 	}
 
 	#[test]
-	#[cfg(feature = "unstable-interface")]
 	fn contract_call_tail_call() {
 		const CODE: &str = r#"
 (module
-	(import "__unstable__" "seal_call" (func $seal_call (param i32 i32 i64 i32 i32 i32 i32 i32) (result i32)))
+	(import "seal1" "seal_call" (func $seal_call (param i32 i32 i64 i32 i32 i32 i32 i32) (result i32)))
 	(import "env" "memory" (memory 1 1))
 	(func (export "call")
 		(drop
diff --git a/frame/contracts/src/wasm/runtime.rs b/frame/contracts/src/wasm/runtime.rs
index 883dfd0802483..204db09ed3e8d 100644
--- a/frame/contracts/src/wasm/runtime.rs
+++ b/frame/contracts/src/wasm/runtime.rs
@@ -928,7 +928,7 @@ define_env!(Env, <E: Ext>,
 	// `ReturnCode::BelowSubsistenceThreshold`
 	// `ReturnCode::TransferFailed`
 	// `ReturnCode::NotCallable`
-	[__unstable__] seal_call(
+	[seal1] seal_call(
 		ctx,
 		flags: u32,
 		callee_ptr: u32,
@@ -940,7 +940,7 @@ define_env!(Env, <E: Ext>,
 		output_len_ptr: u32
 	) -> ReturnCode => {
 		ctx.call(
-			CallFlags::from_bits(flags).ok_or_else(|| "used rerved bit in CallFlags")?,
+			CallFlags::from_bits(flags).ok_or_else(|| "used reserved bit in CallFlags")?,
 			callee_ptr,
 			gas,
 			value_ptr,