diff --git a/rpms/awips2.core/Installer.database-server-configuration/configuration/postgresql.conf b/rpms/awips2.core/Installer.database-server-configuration/configuration/postgresql.conf
index 15afd14170..bc239a2288 100644
--- a/rpms/awips2.core/Installer.database-server-configuration/configuration/postgresql.conf
+++ b/rpms/awips2.core/Installer.database-server-configuration/configuration/postgresql.conf
@@ -304,11 +304,11 @@ logging_collector = on		        # Enable capturing of stderr and csvlog
 # These are only used if logging_collector is on:
 log_directory = '../pg_log'		# directory where log files are written,
 					# can be absolute or relative to PGDATA
-log_filename = 'postgresql-%A.log'	# log file name pattern,
+log_filename = 'postgresql-%F.log'	# log file name pattern,
 					# can include strftime() escapes
 log_file_mode = 0640			# creation mode for log files,
 					# begin with 0 to use octal notation
-log_truncate_on_rotation = on		# If on, an existing log file with the
+log_truncate_on_rotation = off		# If on, an existing log file with the
 					# same name as the new log file will be
 					# truncated rather than appended to.
 					# But such truncation only occurs on