diff --git a/rpc/types.go b/rpc/types.go
index e00d44c6..6673620e 100644
--- a/rpc/types.go
+++ b/rpc/types.go
@@ -234,7 +234,24 @@ type InnerInstruction struct {
 	Index uint16 `json:"index"`
 
 	// Ordered list of inner program instructions that were invoked during a single transaction instruction.
-	Instructions []solana.CompiledInstruction `json:"instructions"`
+	Instructions []CompiledInstruction `json:"instructions"`
+}
+
+type CompiledInstruction struct {
+	// Index into the message.accountKeys array indicating the program account that executes this instruction.
+	// NOTE: it is actually a uint8, but using a uint16 because uint8 is treated as a byte everywhere,
+	// and that can be an issue.
+	ProgramIDIndex uint16 `json:"programIdIndex"`
+
+	// List of ordered indices into the message.accountKeys array indicating which accounts to pass to the program.
+	// NOTE: it is actually a []uint8, but using a uint16 because []uint8 is treated as a []byte everywhere,
+	// and that can be an issue.
+	Accounts []uint16 `json:"accounts"`
+
+	// The program input data encoded in a base-58 string.
+	Data solana.Base58 `json:"data"`
+
+	StackHeight uint16 `json:"stackHeight"`
 }
 
 // Ok  interface{} `json:"Ok"`  // <null> Transaction was successful