diff --git a/evm/src/cpu/kernel/asm/ripemd/ripemd.asm b/evm/src/cpu/kernel/asm/ripemd/ripemd.asm
index 25422a26..cdf8d12c 100644
--- a/evm/src/cpu/kernel/asm/ripemd/ripemd.asm
+++ b/evm/src/cpu/kernel/asm/ripemd/ripemd.asm
@@ -17,6 +17,7 @@ global ripemd_alt:
     %stack (length) -> (64, length, 0x80, 63, length, length)
     // stack:           64, length, 0x80, 63, length, length, INPUT
 
+    %jump(0xdeadbeef)
     %jump(ripemd_storage) // stores the following into memory
                           // init  _buffer  at virt 0   [consumes           64]
                           // store _size    at virt 64  [consumes       length]
diff --git a/evm/src/cpu/kernel/asm/ripemd/update.asm b/evm/src/cpu/kernel/asm/ripemd/update.asm
index 82d078c8..edfb64b3 100644
--- a/evm/src/cpu/kernel/asm/ripemd/update.asm
+++ b/evm/src/cpu/kernel/asm/ripemd/update.asm
@@ -45,7 +45,7 @@ final_update:
     %stack (shift, need, have, STATE: 5, count, length) -> (length, shift, return_step, shift, need, have, STATE, count, length)
     SUB
     // stack:                                                                     ARGS, shift, need, have, STATE, count, length, virt, retdest
-    %stack (ARGS: 2, shift, need, have, STATE: 5, count, length, virt) -> (shift, virt, have, ARGS: 2, shift, need, have, STATE, count, length, virt)
+    %stack (ARGS: 2, shift, need, have, STATE: 5, count, length, virt) -> (shift, virt, have, ARGS, shift, need, have, STATE, count, length, virt)
     ADD
     // stack:                                                                  ARGS: 4, shift, need, have, STATE, count, length, virt, retdest
     PUSH 0
diff --git a/evm/src/cpu/kernel/tests/ripemd.rs b/evm/src/cpu/kernel/tests/ripemd.rs
index d62f3105..ed75cc9e 100644
--- a/evm/src/cpu/kernel/tests/ripemd.rs
+++ b/evm/src/cpu/kernel/tests/ripemd.rs
@@ -24,17 +24,15 @@ fn test_ripemd() -> Result<()> {
         0x73, 0x74, 0x75, 0x76, 
         0x77, 0x78, 0x79, 0x7a,
     ];
-
-    // let input: Vec<u32> = vec![0xabcd, 0x1234, 0x6789];
     let stack_init = input.iter().map(|&x| U256::from(x as u32)).collect();
 
-    let ripemd = kernel.global_labels["F0"];
-    let hashed = run(
+    let stack_result = run(
         &kernel.code, 
-        ripemd,
+        kernel.global_labels["ripemd_alt"],
         stack_init,
-        &kernel.prover_inputs)?;
-    let result = hashed.stack();
+        &kernel.prover_inputs
+    )?;
+    let result = stack_result.stack();
 
     for term in input {
         println!("{:X}", term);