diff --git a/bauh/gems/arch/controller.py b/bauh/gems/arch/controller.py
index 7dd1328b..06939bc0 100644
--- a/bauh/gems/arch/controller.py
+++ b/bauh/gems/arch/controller.py
@@ -2315,7 +2315,7 @@ class ArchManager(SoftwareManager):
         self.logger.info("Checking for possible conflicts with '{}'".format(context.name))
 
         _, output = context.handler.handle_simple(pacman.install_as_process(pkgpaths=pkgpaths,
-                                                                            root_password=None,
+                                                                            root_password=context.root_password,
                                                                             pkgdir=context.project_dir or '.',
                                                                             file=bool(context.install_files),
                                                                             simulate=True),
diff --git a/bauh/gems/arch/pacman.py b/bauh/gems/arch/pacman.py
index 0f4ced85..4907cf3a 100644
--- a/bauh/gems/arch/pacman.py
+++ b/bauh/gems/arch/pacman.py
@@ -151,7 +151,9 @@ def install_as_process(pkgpaths: Iterable[str], root_password: Optional[str], fi
     cmd = ['pacman', '-U'] if file else ['pacman', '-S']
     cmd.extend(pkgpaths)
 
-    if not simulate:
+    if simulate:
+        cmd.append('--confirm')
+    else:
         cmd.append('--noconfirm')
         cmd.append('-dd')
 
@@ -162,7 +164,7 @@ def install_as_process(pkgpaths: Iterable[str], root_password: Optional[str], fi
         cmd.append('--asdeps')
 
     return SimpleProcess(cmd=cmd,
-                         root_password=None if simulate else root_password,
+                         root_password=root_password,
                          cwd=pkgdir,
                          error_phrases={"error: failed to prepare transaction", 'error: failed to commit transaction', 'error: target not found'},
                          shell=True)