diff --git a/src/mpsd_software_manager/mpsd_software.py b/src/mpsd_software_manager/mpsd_software.py
index 29dfd3eae9a106fe221439e47b619cdd19db45df..bcb23a5c571a61f88fb7a30adeee488fd117ce2b 100755
--- a/src/mpsd_software_manager/mpsd_software.py
+++ b/src/mpsd_software_manager/mpsd_software.py
@@ -1144,7 +1144,7 @@ def remove_environment(mpsd_release, root_dir, package_sets="NONE", force_remove
         for folder in folders_to_remove:
             # shutil.rmtree(dir_to_remove / folder) #dosent delete file
             run(
-                f"rm -rf {dir_to_remove / folder} 2>&1 | tee {build_log_path}",
+                f"rm -rf {dir_to_remove / folder} 2>&1 | tee -a {build_log_path}",
                 shell=True,
                 check=True,
             )
@@ -1213,7 +1213,7 @@ def remove_spack_environment(spack_dir, environment_name, build_log_path=None):
     ]
     build_log_path = build_log_path or "/dev/null"
     run(
-        "(" + " && ".join(commands_to_execute) + f") 2>&1 |tee {build_log_path}",
+        "(" + " && ".join(commands_to_execute) + f") 2>&1 |tee -a {build_log_path}",
         shell=True,
         check=True,
     )
@@ -1242,7 +1242,7 @@ def remove_spack_package(spack_dir, package, build_log_path=None):
         f"spack uninstall -y {package}",
     ]
     run(
-        "(" + " && ".join(commands_to_execute) + f") 2>&1 |tee {build_log_path}",
+        "(" + " && ".join(commands_to_execute) + f") 2>&1 |tee -a {build_log_path}",
         shell=True,
         check=True,
     )