diff --git a/doc/releases/changelog-dev.md b/doc/releases/changelog-dev.md
index 7be0ac87c0..95f8e1ddd1 100644
--- a/doc/releases/changelog-dev.md
+++ b/doc/releases/changelog-dev.md
@@ -263,6 +263,11 @@
 
   This fix enables automatic qubit management to be used with gradients.
 
+
+* Fixed the :func:`~.passes.commute_ppr` pass incorrectly modifying operands of PPRs that live in
+  different blocks.
+  [(#2267)](https://github.com/PennyLaneAI/catalyst/pull/2267)
+
 * The `--inline-nested-module` pass no longer renames external function declarations.
   [(#2244)](https://github.com/PennyLaneAI/catalyst/pull/2244)
 
diff --git a/mlir/lib/QEC/Transforms/CommutePPR.cpp b/mlir/lib/QEC/Transforms/CommutePPR.cpp
index 2aa3541e14..9bd20375fb 100644
--- a/mlir/lib/QEC/Transforms/CommutePPR.cpp
+++ b/mlir/lib/QEC/Transforms/CommutePPR.cpp
@@ -132,7 +132,11 @@ void moveCliffordPastNonClifford(const PauliStringWrapper &lhsPauli,
 
     // Update the use of value in newRHSOperands
     for (unsigned i = 0; i < newRHSOperands.size(); i++) {
-        newRHSOperands[i].replaceAllUsesExcept(nonCliffordOp.getOutQubits()[i], nonCliffordOp);
+        newRHSOperands[i].replaceUsesWithIf(
+            nonCliffordOp.getOutQubits()[i], [&](OpOperand &operand) {
+                return operand.getOwner() != nonCliffordOp &&
+                       operand.getOwner()->getBlock() == lhs->getBlock();
+            });
     }
 
     rewriter.replaceOp(rhs, rhs.getInQubits());