diff --git a/mamba/mamba/shell_templates/mamba.sh b/mamba/mamba/shell_templates/mamba.sh
index 6b1c1640a7..a3659358d5 100644
--- a/mamba/mamba/shell_templates/mamba.sh
+++ b/mamba/mamba/shell_templates/mamba.sh
@@ -17,7 +17,7 @@ mamba() {
             ;;
         install|update|upgrade|remove|uninstall)
             __mamba_exe "$@" || \return
-            __conda_reactivate
+            __conda_activate reactivate
             ;;
         *)
             __mamba_exe "$@"