diff --git a/bin/regression-wally b/bin/regression-wally
index 1c9e09bfe..a76836eea 100755
--- a/bin/regression-wally
+++ b/bin/regression-wally
@@ -515,7 +515,7 @@ def main():
         TIMEOUT_DUR = 20*60
         os.system('rm -f questa/fcovrvvi_ucdb/* questa/fcovrvvi_logs/* questa/fcovrvvi/*')
     elif args.fcov:
-        TIMEOUT_DUR = 4*60
+        TIMEOUT_DUR = 8*60
         os.system('rm -f questa/fcov_ucdb/* questa/fcov_logs/* questa/fcov/*')
     elif args.buildroot:
         TIMEOUT_DUR = 60*1440 # 1 day