diff --git a/src/sampleconf/recoll.conf b/src/sampleconf/recoll.conf
index a4627d78..2f79bf54 100644
--- a/src/sampleconf/recoll.conf
+++ b/src/sampleconf/recoll.conf
@@ -533,12 +533,12 @@ webcachemaxmbs = 40
 # usage depends on average document size, not only document count, the
 # Xapian approach is is not very useful, and you should let Recoll manage
 # the flushes. The program compiled value is 0. The configured default
-# value (from this file) is 10 MB, and will be too low in many cases (it is
-# chosen to conserve memory). If you are looking
+# value (from this file) is now 50 MB, and should be ok in many cases.
+# You can set it as low as 10 to conserve memory, but if you are looking
 # for maximum speed, you may want to experiment with values between 20 and
 # 200. In my experience, values beyond this are always counterproductive. If
 # you find otherwise, please drop me a note.</descr></var>
-idxflushmb = 10
+idxflushmb = 50
 
 # <var name="filtermaxseconds" type="int">
 #