diff --git a/clean.sh b/clean.sh
index 7aba7ca85..7f370765e 100755
--- a/clean.sh
+++ b/clean.sh
@@ -12,5 +12,5 @@ fi
 
 for recipe_path in $recipes
 do
-    ./cook.sh "$recipe_path" distclean
+    IGNORE_ERROR=1 ./cook.sh "$recipe_path" distclean
 done
diff --git a/cook.sh b/cook.sh
index 1c6ac7cf6..76aa4e192 100755
--- a/cook.sh
+++ b/cook.sh
@@ -369,7 +369,8 @@ then
         do
             op "$recipe_name" "$i"
         done
-    else
+    elif [ "$IGNORE_ERROR" != "1" ]
+    then
         echo "cook.sh: recipe '$recipe_name' at not found" >&2
         exit 1
     fi