diff --git a/cache/src/main/java/net/runelite/cache/script/Instructions.java b/cache/src/main/java/net/runelite/cache/script/Instructions.java
index c7ac18ba6f..7ccce47472 100644
--- a/cache/src/main/java/net/runelite/cache/script/Instructions.java
+++ b/cache/src/main/java/net/runelite/cache/script/Instructions.java
@@ -51,10 +51,10 @@ public class Instructions
 		add(27, 1, 0);
 		add(Opcodes.IF_ICMPLE, "if_icmple", 2, 0);
 		add(Opcodes.IF_ICMPGE, "if_icmpge", 2, 0);
-		add(33, 0, 1);
-		add(34, 1, 0);
-		add(35, 0, 0, 0, 1);
-		add(36, 0, 0, 1, 0);
+		add(Opcodes.ILOAD, "iload", 0, 1);
+		add(Opcodes.ISTORE, "istore", 1, 0);
+		add(Opcodes.SLOAD, "sload", 0, 0, 0, 1);
+		add(Opcodes.SSTORE, "sstore", 0, 0, 1, 0);
 		// 37 - pops strings eq to int operand, pushes 1 string
 		add(Opcodes.POP_INT, "pop_int", 1, 0);
 		add(Opcodes.POP_STRING, "pop_string", 0, 0, 1, 0);
diff --git a/cache/src/main/java/net/runelite/cache/script/Opcodes.java b/cache/src/main/java/net/runelite/cache/script/Opcodes.java
index a6c4b6fd73..b1bd350e2a 100644
--- a/cache/src/main/java/net/runelite/cache/script/Opcodes.java
+++ b/cache/src/main/java/net/runelite/cache/script/Opcodes.java
@@ -38,6 +38,10 @@ public class Opcodes
 	public static final int RETURN = 21;
 	public static final int IF_ICMPLE = 31;
 	public static final int IF_ICMPGE = 32;
+	public static final int ILOAD = 33;
+	public static final int ISTORE = 34;
+	public static final int SLOAD = 35;
+	public static final int SSTORE = 36;
 	public static final int POP_INT = 38;
 	public static final int POP_STRING = 39;
 	//public static final int INVOKE = 40;