diff --git a/src/lte/model/epc-pgw-application.cc b/src/lte/model/epc-pgw-application.cc
index 673bf09be..f96bb23cd 100644
--- a/src/lte/model/epc-pgw-application.cc
+++ b/src/lte/model/epc-pgw-application.cc
@@ -48,8 +48,11 @@ EpcPgwApplication::UeInfo::RemoveBearer(uint8_t bearerId)
 {
     NS_LOG_FUNCTION(this << (uint16_t)bearerId);
     auto it = m_teidByBearerIdMap.find(bearerId);
-    m_tftClassifier.Delete(it->second); // delete tft
-    m_teidByBearerIdMap.erase(bearerId);
+    if (it != m_teidByBearerIdMap.end())
+    {
+        m_tftClassifier.Delete(it->second); // delete tft
+        m_teidByBearerIdMap.erase(bearerId);
+    }
 }
 
 uint32_t