diff --git a/perl-xCAT-2.0/db2man b/perl-xCAT-2.0/db2man
index 161f6df84..effddd106 100755
--- a/perl-xCAT-2.0/db2man
+++ b/perl-xCAT-2.0/db2man
@@ -61,6 +61,7 @@ EOS2
 
 foreach my $a (@$colorder) {
 	my $d = $descriptions->{$a};
+	$d =~ s/\n/\n\n/;      # if there are newlines, double them so pod sees a blank line, otherwise pod will ignore them
 	print FILE "\nI<$a> - $d\n";
 }
 
diff --git a/perl-xCAT-2.0/perl-xCAT.spec b/perl-xCAT-2.0/perl-xCAT.spec
index 70dcd8b0e..dc51a67a4 100644
--- a/perl-xCAT-2.0/perl-xCAT.spec
+++ b/perl-xCAT-2.0/perl-xCAT.spec
@@ -32,7 +32,7 @@ Includes xCAT::Table, xCAT::NodeRange, among others.
 
 # Convert pods to man pages, e.g.:  pod2man pods/man5/chain.5.pod share/man/man5/chain.1
 for i in pods/*/*.pod; do
-  man=${i/pods/share\/man}
+  man="share/man${i#pods}"         # the substitute form is not supported on aix:  ${i/pods/share\/man}
   mkdir -p ${man%/*}
   pod2man $i ${man%.pod}
 done
diff --git a/xCAT-client-2.0/xCAT-client.spec b/xCAT-client-2.0/xCAT-client.spec
index e0f4aafa5..6c1372926 100644
--- a/xCAT-client-2.0/xCAT-client.spec
+++ b/xCAT-client-2.0/xCAT-client.spec
@@ -30,7 +30,7 @@ xCAT-client provides the fundamental xCAT commands (chtab, chnode, rpower, etc)
 
 # Convert pods to man pages, e.g.:  pod2man pods/man1/tabdump.1.pod share/man/man1/tabdump.1
 for i in pods/*/*.pod; do
-  man=${i/pods/share\/man}
+  man="share/man${i#pods}"         # the substitute form is not supported on aix:  ${i/pods/share\/man}
   mkdir -p ${man%/*}
   pod2man $i ${man%.pod}
 done