diff --git a/vendor/patches/lowrisc_ip/dv_tools/0001-Change-xcelium-cov_merge.tcl-to-pass-databases-in-ru.patch b/vendor/patches/lowrisc_ip/dv_tools/0001-Change-xcelium-cov_merge.tcl-to-pass-databases-in-ru.patch
new file mode 100644
index 00000000..6f72a829
--- /dev/null
+++ b/vendor/patches/lowrisc_ip/dv_tools/0001-Change-xcelium-cov_merge.tcl-to-pass-databases-in-ru.patch
@@ -0,0 +1,14 @@
+--- a/xcelium/cov_merge.tcl
++++ b/xcelium/cov_merge.tcl
+@@ -18,7 +18,7 @@ puts "Output directory for merged coverage:"
+ set cov_merge_db_dir [string trim $::env(cov_merge_db_dir) " \"'"]
+ 
+ # Run the merge command.
+-merge $cov_db_dirs -out $cov_merge_db_dir -overwrite -initial_model union_all
++merge -runfile $::env(cov_db_runfile) -out $cov_merge_db_dir -overwrite -initial_model union_all
+ 
+ # Create a file with the path to the cover dirs
+ set filepointer [open "$cov_merge_db_dir/runs.txt" w]
+-- 
+2.34.1
+