diff --git a/ApplicationCode/Application/Tools/RiaSummaryCurveAnalyzer.cpp b/ApplicationCode/Application/Tools/RiaSummaryCurveAnalyzer.cpp
index 35feb92961..27344f43cb 100644
--- a/ApplicationCode/Application/Tools/RiaSummaryCurveAnalyzer.cpp
+++ b/ApplicationCode/Application/Tools/RiaSummaryCurveAnalyzer.cpp
@@ -282,6 +282,9 @@ void RiaSummaryCurveAnalyzer::clear()
     m_wellCompletions.clear();
     m_wellSegmentNumbers.clear();
     m_blocks.clear();
+
+    m_quantitiesNoMatchingHistory.clear();
+    m_quantitiesWithMatchingHistory.clear();
 }
 
 //--------------------------------------------------------------------------------------------------