diff --git a/import-marc-auth.bat b/import-marc-auth.bat
index d83294c5159c36efb06c6ad429e126c23861eaf4..e6b0004ac1e8113a8329c373b4346fce7dda9868 100644
--- a/import-marc-auth.bat
+++ b/import-marc-auth.bat
@@ -23,22 +23,6 @@ echo You need to set the VUFIND_HOME environmental variable before running this
 goto end
 :vufindhomefound
 
-rem Always use the standard authority mappings; if the user specified an override
-rem file, add that to the setting.
-if not exist %VUFIND_LOCAL_DIR%\import\marc_auth.properties goto nolocalmappings
-set MAPPINGS_FILE=%VUFIND_LOCAL_DIR%\import\marc_auth.properties
-goto mappingsset
-:nolocalmappings
-set MAPPINGS_FILE=%VUFIND_HOME%\import\marc_auth.properties
-:mappingsset
-if "!%2!"=="!!" goto noextramappings
-if not exist %VUFIND_LOCAL_DIR%\import\%2 goto nolocalextramappings
-set MAPPINGS_FILE=%MAPPINGS_FILE%,%VUFIND_LOCAL_DIR%\import\%2
-goto noextramappings
-:nolocalextramappings
-set MAPPINGS_FILE=%MAPPINGS_FILE%,%VUFIND_HOME%\import\%2
-:noextramappings
-
 rem Override some settings in the standard import script:
 if not exist %VUFIND_LOCAL_DIR%\import\import_auth.properties goto nolocalproperties
 set PROPERTIES_FILE=%VUFIND_LOCAL_DIR%\import\import_auth.properties
@@ -47,8 +31,29 @@ goto propertiesfound
 set PROPERTIES_FILE=%VUFIND_HOME%\import\import_auth.properties
 :propertiesfound
 
+rem Always use the authority mappings from PROPERTIES_FILE
+rem if the user specified an override file, add that to the setting.
+set MAPPINGS_FILENAMES=""
+for /f "delims=" %%a in ('findstr "^solr.indexer.properties" %PROPERTIES_FILE%') do set MAPPINGS_FILENAMES=%%a
+set MAPPINGS_FILENAMES="%MAPPINGS_FILENAMES:solr.indexer.properties=%"
+if not "%2"=="" set MAPPINGS_FILENAMES=%MAPPINGS_FILENAMES%,%2
+set MAPPINGS_FILENAMES=%MAPPINGS_FILENAMES:"=%
+
+setlocal EnableDelayedExpansion
+set MAPPINGS_FILES=""
+for %%a in (%MAPPINGS_FILENAMES%) do (
+    if not !MAPPINGS_FILES!=="" set MAPPINGS_FILES=!MAPPINGS_FILES!,
+    if exist %VUFIND_LOCAL_DIR%\import\%%a (
+        set MAPPINGS_FILES=!MAPPINGS_FILES!%VUFIND_LOCAL_DIR%\import\%%a
+    ) else (
+        set MAPPINGS_FILES=!MAPPINGS_FILES!%VUFIND_HOME%\import\%%a
+    )
+)
+set MAPPINGS_FILES=%MAPPINGS_FILES:~2,99999%
+setlocal DisableDelayedExpansion
+
 set SOLRCORE="authority"
-set EXTRA_SOLRMARC_SETTINGS="-Dsolr.indexer.properties=%MAPPINGS_FILE%"
+set EXTRA_SOLRMARC_SETTINGS="-Dsolr.indexer.properties=%MAPPINGS_FILES%"
 
 rem Call the standard script:
 call %VUFIND_HOME%\import-marc.bat %1
diff --git a/import-marc-auth.sh b/import-marc-auth.sh
index a67ce7f7ad16e122624d290ec5ae0f7194390d1c..d543d17c621dcf3d048c58e7ffb835141e9a15c8 100755
--- a/import-marc-auth.sh
+++ b/import-marc-auth.sh
@@ -26,34 +26,38 @@ then
   fi
 fi
 
-
-# Always use the standard authority mappings; if the user specified an override
-# file, add that to the setting.
-if [ -f "$VUFIND_LOCAL_DIR/import/marc_auth.properties" ]
+# Override some settings in the standard import script:
+if [ -f "$VUFIND_LOCAL_DIR/import/import_auth.properties" ]
 then
-  MAPPINGS_FILE="$VUFIND_LOCAL_DIR/import/marc_auth.properties"
+  export PROPERTIES_FILE="$VUFIND_LOCAL_DIR/import/import_auth.properties"
 else
-  MAPPINGS_FILE="$VUFIND_HOME/import/marc_auth.properties"
+  export PROPERTIES_FILE="$VUFIND_HOME/import/import_auth.properties"
 fi
+
+# Always use the authority mappings from PROPERTIES_FILE
+# if the user specified an override file, add that to the setting.
+MAPPINGS_FILENAMES=($(sed --quiet --expression='s/^\(solr.indexer.properties\s*=\s*\)\(.*\)/\2/p' $PROPERTIES_FILE | tr "," " "))
 if [ $# -gt 1 ]
 then
-  if [ -f "$VUFIND_LOCAL_DIR/import/$2" ]
+  MAPPINGS_FILENAMES+=($2)
+fi
+
+MAPPINGS_FILES=""
+for MAPPINGS_FILENAME in ${MAPPINGS_FILENAMES[@]}; do
+  if [ -n "$MAPPINGS_FILES" ]; then
+    MAPPINGS_FILES+=","
+  fi
+
+  if [ -f "$VUFIND_LOCAL_DIR/import/$MAPPINGS_FILENAME" ]
   then
-    MAPPINGS_FILE="$MAPPINGS_FILE,$VUFIND_LOCAL_DIR/import/$2"
+    MAPPINGS_FILES+="$VUFIND_LOCAL_DIR/import/$MAPPINGS_FILENAME"
   else
-    MAPPINGS_FILE="$MAPPINGS_FILE,$VUFIND_HOME/import/$2"
+    MAPPINGS_FILES+="$VUFIND_HOME/import/$MAPPINGS_FILENAME"
   fi
-fi
+done
 
-# Override some settings in the standard import script:
-if [ -f "$VUFIND_LOCAL_DIR/import/import_auth.properties" ]
-then
-  export PROPERTIES_FILE="$VUFIND_LOCAL_DIR/import/import_auth.properties"
-else
-  export PROPERTIES_FILE="$VUFIND_HOME/import/import_auth.properties"
-fi
 export SOLRCORE="authority"
-export EXTRA_SOLRMARC_SETTINGS="-Dsolr.indexer.properties=$MAPPINGS_FILE"
+export EXTRA_SOLRMARC_SETTINGS="-Dsolr.indexer.properties=$MAPPINGS_FILES"
 
 # Call the standard script:
-$VUFIND_HOME/import-marc.sh $1
\ No newline at end of file
+$VUFIND_HOME/import-marc.sh $1