diff --git a/EDPlayerJournal/BGS/TransactionParser.cs b/EDPlayerJournal/BGS/TransactionParser.cs
index 0295f04..91101d7 100644
--- a/EDPlayerJournal/BGS/TransactionParser.cs
+++ b/EDPlayerJournal/BGS/TransactionParser.cs
@@ -8,6 +8,12 @@ public class TransactionParserOptions {
     /// is true per default.
     /// </summary>
     public bool IgnoreExoBiology { get; set; } = true;
+
+    /// <summary>
+    /// Whether to ignore influence support. Usually one only cares about the
+    /// primary faction for the influence.
+    /// </summary>
+    public bool IgnoreInfluenceSupport { get; set; } = false;
 }
 
 internal class TransactionParserContext {
@@ -584,6 +590,10 @@ internal class MissionCompletedParser : TransactionParserPart {
                 } else if (string.Compare(faction, source_faction_name, true) != 0 ||
                     (string.Compare(faction, source_faction_name) == 0 && 
                      system_address != accepted_location.SystemAddress)) {
+                    // Whether we ignore influence support
+                    if (options.IgnoreInfluenceSupport) {
+                        continue;
+                    }
                     // Source or target faction are different, and/or the system
                     // differs. Sometimes missions go to different systems but to
                     // the same faction.