diff --git a/CHANGELOG.md b/CHANGELOG.md
index 542eb153d..fe2e4bcc0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -54,6 +54,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
  - Force cheshire's sim scripts re-generation
  - Fix u-boot to support RVV-linux
  - Fixed src emul check for vector integer extension operation
+ - Fix deadlock when a mask op (vmslt/vmsleu) is issued while vrgather/vcompress owns MaskB
 
 ### Added
 
diff --git a/hardware/src/lane/lane_sequencer.sv b/hardware/src/lane/lane_sequencer.sv
index a9fa44e32..1f5326736 100644
--- a/hardware/src/lane/lane_sequencer.sv
+++ b/hardware/src/lane/lane_sequencer.sv
@@ -312,6 +312,8 @@ module lane_sequencer import ara_pkg::*; import rvv_pkg::*; import cf_math_pkg::
             operand_request_valid_o [MulFPUB] ||
             operand_request_valid_o[MaskB] ||
             operand_request_valid_o[MaskM]);
+          if (pe_req.use_vd_op)
+            pe_req_ready &= (vrgat_state_q == IDLE);
         end
         VFU_None : begin
           // VRGATHER/VCOMPRESS use the MaskB opqueue with non-traditional request scheme