diff --git a/scripts/actions/add_remove_abiword b/scripts/actions/add_remove_abiword
index a3b388d..52d8325 100755
--- a/scripts/actions/add_remove_abiword
+++ b/scripts/actions/add_remove_abiword
@@ -20,7 +20,7 @@ ynh_abort_if_errors
 # RETRIEVE ARGUMENTS
 #=================================================
 
-app=${YNH_APP_INSTANCE_NAME:-$YNH_APP_ID}
+app=$YNH_APP_INSTANCE_NAME
 
 #=================================================
 # CHECK IF ARGUMENTS ARE CORRECT