diff --git a/ogr/ogrsf_frmts/miramon/ogrmiramonlayer.cpp b/ogr/ogrsf_frmts/miramon/ogrmiramonlayer.cpp
index bb608c6e0bb0..aef6ac05f0bf 100644
--- a/ogr/ogrsf_frmts/miramon/ogrmiramonlayer.cpp
+++ b/ogr/ogrsf_frmts/miramon/ogrmiramonlayer.cpp
@@ -1887,7 +1887,7 @@ OGRErr OGRMiraMonLayer::TranslateFieldsToMM()
 
                 case OFTBinary:
                     phMiraMonLayer->pLayerDB->pFields[iField].eFieldType =
-                        MM_Logic;
+                        MM_Character;
                     break;
 
                 case OFTDate: