diff --git a/modules/features2d/src/matchers.cpp b/modules/features2d/src/matchers.cpp
index 6c1e9fb0ad..ff3a3aabba 100755
--- a/modules/features2d/src/matchers.cpp
+++ b/modules/features2d/src/matchers.cpp
@@ -914,7 +914,8 @@ void OneWayDescriptorMatcher::clear()
     GenericDescriptorMatcher::clear();
 
     prevTrainCount = 0;
-    base->clear();
+    if( !base.empty() )
+        base->clear();
 }
 
 void OneWayDescriptorMatcher::train()