diff --git a/code/AssetLib/FBX/FBXExportProperty.cpp b/code/AssetLib/FBX/FBXExportProperty.cpp
index fefe4ae9c..1a0d9fcf3 100644
--- a/code/AssetLib/FBX/FBXExportProperty.cpp
+++ b/code/AssetLib/FBX/FBXExportProperty.cpp
@@ -286,6 +286,8 @@ void FBXExportProperty::DumpAscii(std::ostream& s, int indent) {
                 break;
             }
         }
+        // assimp issue #6112; fallthrough confirmed by @mesilliac
+        [[fallthrough]];
     case 'R':
         s << '"';
         // we might as well check this now,