diff --git a/substrate/wasm-runtime/polkadot/src/support/proposal.rs b/substrate/wasm-runtime/polkadot/src/support/proposal.rs
index 963a01b749..e34eb41a64 100644
--- a/substrate/wasm-runtime/polkadot/src/support/proposal.rs
+++ b/substrate/wasm-runtime/polkadot/src/support/proposal.rs
@@ -17,7 +17,7 @@
 //! Proposal: This describes a combination of a function ID and data that can be used to call into
 //! an internal function.
 
-use runtime_support::size_of;
+use runtime_support::{size_of, Vec};
 use slicable::Slicable;
 use joiner::Joiner;
 use streamreader::StreamReader;
diff --git a/substrate/wasm-runtime/support/src/lib.rs b/substrate/wasm-runtime/support/src/lib.rs
index 5e689746c8..4d96617a8a 100644
--- a/substrate/wasm-runtime/support/src/lib.rs
+++ b/substrate/wasm-runtime/support/src/lib.rs
@@ -52,7 +52,7 @@ pub fn set_storage(key: &[u8], value: &[u8]) {
 	}
 }
 
-pub fn read_storage(key: &[u8], value_offset: usize, value_out: &mut [u8]) -> usize {
+pub fn read_storage(key: &[u8], value_out: &mut [u8], value_offset: usize) -> usize {
 	unsafe {
 		ext_get_storage_into(&key[0], key.len() as u32, &mut value_out[0], value_out.len() as u32, value_offset as u32) as usize
 	}
diff --git a/substrate/wasm-runtime/target/wasm32-unknown-unknown/release/runtime_polkadot.compact.wasm b/substrate/wasm-runtime/target/wasm32-unknown-unknown/release/runtime_polkadot.compact.wasm
index ddd9dc70e6..a0d3d7de1e 100644
Binary files a/substrate/wasm-runtime/target/wasm32-unknown-unknown/release/runtime_polkadot.compact.wasm and b/substrate/wasm-runtime/target/wasm32-unknown-unknown/release/runtime_polkadot.compact.wasm differ
diff --git a/substrate/wasm-runtime/target/wasm32-unknown-unknown/release/runtime_polkadot.wasm b/substrate/wasm-runtime/target/wasm32-unknown-unknown/release/runtime_polkadot.wasm
index 8d3d3fb1ee..509eb2bdbd 100644
Binary files a/substrate/wasm-runtime/target/wasm32-unknown-unknown/release/runtime_polkadot.wasm and b/substrate/wasm-runtime/target/wasm32-unknown-unknown/release/runtime_polkadot.wasm differ