diff --git a/Shorewall/Perl/prog.header b/Shorewall/Perl/prog.header
index 3d85d6b32..786f6d4e1 100644
--- a/Shorewall/Perl/prog.header
+++ b/Shorewall/Perl/prog.header
@@ -43,7 +43,7 @@ progress_message() # $* = Message
     fi
 
     if [ $LOG_VERBOSITY -gt 1 ]; then
-        timestamp="$(date +'%b %_d %T') "
+        timestamp="$(date +'%b %d %T') "
         echo "${timestamp}$@" >> $STARTUP_LOG
     fi
 }
@@ -59,7 +59,7 @@ progress_message2() # $* = Message
     fi
 
     if [ $LOG_VERBOSITY -gt 0 ]; then
-        timestamp="$(date +'%b %_d %T') "
+        timestamp="$(date +'%b %d %T') "
         echo "${timestamp}$@" >> $STARTUP_LOG
     fi
 }
@@ -75,7 +75,7 @@ progress_message3() # $* = Message
     fi
 
     if [ $LOG_VERBOSITY -ge 0 ]; then
-        timestamp="$(date +'%b %_d %T') "
+        timestamp="$(date +'%b %d %T') "
         echo "${timestamp}$@" >> $STARTUP_LOG
     fi
 }
diff --git a/Shorewall/Perl/prog.header6 b/Shorewall/Perl/prog.header6
index 979a6ad65..c8e3a43b8 100644
--- a/Shorewall/Perl/prog.header6
+++ b/Shorewall/Perl/prog.header6
@@ -43,7 +43,7 @@ progress_message() # $* = Message
     fi
 
     if [ $LOG_VERBOSITY -gt 1 ]; then
-        timestamp="$(date +'%b %_d %T') "
+        timestamp="$(date +'%b %d %T') "
         echo "${timestamp}$@" >> $STARTUP_LOG
     fi
 }
@@ -59,7 +59,7 @@ progress_message2() # $* = Message
     fi
 
     if [ $LOG_VERBOSITY -gt 0 ]; then
-        timestamp="$(date +'%b %_d %T') "
+        timestamp="$(date +'%b %d %T') "
         echo "${timestamp}$@" >> $STARTUP_LOG
     fi
 }
@@ -75,7 +75,7 @@ progress_message3() # $* = Message
     fi
 
     if [ $LOG_VERBOSITY -ge 0 ]; then
-        timestamp="$(date +'%b %_d %T') "
+        timestamp="$(date +'%b %d %T') "
         echo "${timestamp}$@" >> $STARTUP_LOG
     fi
 }
diff --git a/Shorewall/lib.cli b/Shorewall/lib.cli
index 9cd898587..0b9be5df1 100644
--- a/Shorewall/lib.cli
+++ b/Shorewall/lib.cli
@@ -1321,7 +1321,7 @@ hits_command() {
 			    option=
 			    ;;
 			t*)
-			    today=$(date +'^%b %_d.*')
+			    today=$(date +'^%b %d.*')
 			    option=${option#t}
 			    ;;
 			*)
diff --git a/Shorewall6/lib.cli b/Shorewall6/lib.cli
index bb92dd839..d48da38b6 100644
--- a/Shorewall6/lib.cli
+++ b/Shorewall6/lib.cli
@@ -1028,7 +1028,7 @@ hits_command() {
 			    option=
 			    ;;
 			t*)
-			    today=$(date +'^%b %_d.*')
+			    today=$(date +'^%b %d.*')
 			    option=${option#t}
 			    ;;
 			*)