diff --git a/src/ejabberd_logger.erl b/src/ejabberd_logger.erl
index 3189860fc2e..ced5378fc22 100644
--- a/src/ejabberd_logger.erl
+++ b/src/ejabberd_logger.erl
@@ -283,7 +283,7 @@ start(Level) ->
 	       burst_limit_window_time => LogBurstLimitWindowTime,
 	       burst_limit_max_count => LogBurstLimitCount},
     FmtConfig = #{legacy_header => false,
-		  time_designator => $ ,
+		  time_designator => $\s,
 		  max_size => 100*1024,
 		  single_line => false},
     FileFmtConfig = FmtConfig#{template => file_template()},
diff --git a/src/ejabberd_web_admin.erl b/src/ejabberd_web_admin.erl
index 5264d1d1e13..cc54915cf57 100644
--- a/src/ejabberd_web_admin.erl
+++ b/src/ejabberd_web_admin.erl
@@ -1180,7 +1180,7 @@ pretty_print_xml({xmlcdata, CData}, Prefix) ->
                         ($\n) -> true;
                         ($\t) -> true;
                         ($\v) -> true;
-                        ($ ) -> true;
+                        ($\s) -> true;
                         (_) -> false
                      end, binary_to_list(CData)),
     if IsBlankCData ->