Index: mythtv-trunk/libs/libmythtv/siscan.cpp
===================================================================
--- mythtv-trunk.orig/libs/libmythtv/siscan.cpp
+++ mythtv-trunk/libs/libmythtv/siscan.cpp
@@ -1365,15 +1365,14 @@ int SIScan::InsertMultiplex(const transp
         if (!GetDVBChannel()->GetTuningParams(tuning))
             tuning = (*transport).tuning;
 
-        uint bestFrequency = FindBestMplexFreq(
-            tuning.Frequency(),
-            transport,
-            (*transport).SourceID,
-            sm->GetDetectedTransportID(),
-            sm->GetDetectedNetworkID());
-
         // Write the best info we have to the DB
         if (FE_OFDM == GetDVBChannel()->GetCardType())
+        {
+            // determine the best frequency in case of other_frequencies
+            uint bestFrequency = FindBestMplexFreq(
+                tuning.Frequency(), transport, (*transport).SourceID,
+                sm->GetDetectedTransportID(), sm->GetDetectedNetworkID());
+
             mplexid = ChannelUtil::CreateMultiplex(
                 (*transport).SourceID,      (*transport).standard,
                 bestFrequency,              tuning.ModulationDB(),
@@ -1385,6 +1384,7 @@ int SIScan::InsertMultiplex(const transp
                 QString::null /*inner FEC*/,tuning.ConstellationDB(),
                 tuning.HierarchyChar(),     tuning.HPCodeRateString(),
                 tuning.LPCodeRateString(),  tuning.GuardIntervalString());
+        }
         else if (FE_QPSK == GetDVBChannel()->GetCardType()) 
             mplexid = ChannelUtil::CreateMultiplex( 
                 (*transport).SourceID,      (*transport).standard, 
@@ -1398,6 +1398,19 @@ int SIScan::InsertMultiplex(const transp
                 tuning.QPSKInnerFECString(),QString::null, 
                 -1,                         QString::null, 
                 QString::null,              QString::null); 
+        else if (FE_QAM == GetDVBChannel()->GetCardType())
+            mplexid = ChannelUtil::CreateMultiplex(
+                (*transport).SourceID,      (*transport).standard,
+                (*transport).tuning.Frequency(),
+                tuning.ModulationString(),
+                sm->GetDetectedTransportID(),
+                sm->GetDetectedNetworkID(),
+                tuning.QAMSymbolRate(),     -1,
+                -1 /* polarity */,          tuning.InversionChar(),
+                -1 /* transmission mode */,
+                tuning.QAMInnerFECString(), QString::null,
+                -1,                         QString::null,
+                QString::null,              QString::null);
         else
             mplexid = ChannelUtil::CreateMultiplex(
                 (*transport).SourceID,      (*transport).standard,