diff --git a/src/MDConcLicenses.php b/src/MDConcLicenses.php
index 80b2a3d..394b0be 100644
--- a/src/MDConcLicenses.php
+++ b/src/MDConcLicenses.php
@@ -43,6 +43,7 @@ final class MDConcLicenses implements MDImporterConcordanceListInterface {
 
         "CC BY_NC_SA" => "CC BY-NC-SA",
         "CC_BY_NC_SA" => "CC BY-NC-SA",
+        "CC BY NC SA" => "CC BY-NC-SA",
         "CC-BY-NC-SA" => "CC BY-NC-SA",
         "CC.BY-NC-SA" => "CC BY-NC-SA",
         "CC BY-NC-SA 3.0 AT" => "CC BY-NC-SA",