diff --git a/modules/features2d/src/matchers.cpp b/modules/features2d/src/matchers.cpp
index 758b4fa594..937c2acb00 100644
--- a/modules/features2d/src/matchers.cpp
+++ b/modules/features2d/src/matchers.cpp
@@ -629,7 +629,9 @@ void DescriptorMatcher::checkMasks( InputArrayOfArrays _masks, int queryDescript
         CV_Assert( masks.size() == imageCount );
         for( size_t i = 0; i < imageCount; i++ )
         {
-            if( !masks[i].empty() && (!trainDescCollection[i].empty() || !utrainDescCollection[i].empty() ) )
+            if( !masks[i].empty() &&
+            (!trainDescCollection.empty() && !trainDescCollection[i].empty()
+            || !utrainDescCollection.empty() && !utrainDescCollection[i].empty() ) )
             {
                 int rows = trainDescCollection[i].empty() ? utrainDescCollection[i].rows : trainDescCollection[i].rows;
                     CV_Assert( masks[i].rows == queryDescriptorsCount &&