diff --git a/src/parallel b/src/parallel
index 24f2b1dd..5024f12c 100755
--- a/src/parallel
+++ b/src/parallel
@@ -860,7 +860,8 @@ sub parse_options {
     if(defined $opt::X) { $Global::ContextReplace = 1; }
     if(defined $opt::silent) { $Global::verbose = 0; }
     if(defined $opt::0) { $/ = "\0"; }
-    if(defined $opt::d) { my $e="sprintf \"$opt::d\""; $/ = eval $e; }
+    if(defined $opt::d) { my $e="sprintf qq{$opt::d}"; $/ = eval $e; }
+    if(defined $opt::tagstring) { my $e="sprintf qq{$opt::tagstring}"; $opt::tagstring = eval $e; }
     if(defined $opt::p) { $Global::interactive = $opt::p; }
     if(defined $opt::q) { $Global::quoting = 1; }
     if(defined $opt::r) { $Global::ignore_empty = 1; }
@@ -1034,7 +1035,7 @@ sub parse_options {
 
 sub init_globals {
     # Defaults:
-    $Global::version = 20150224;
+    $Global::version = 20150225;
     $Global::progname = 'parallel';
     $Global::infinity = 2**31;
     $Global::debug = 0;
diff --git a/testsuite/tests-to-run/parallel-local5.sh b/testsuite/tests-to-run/parallel-local5.sh
index fcd0bcfd..641a5b28 100644
--- a/testsuite/tests-to-run/parallel-local5.sh
+++ b/testsuite/tests-to-run/parallel-local5.sh
@@ -119,6 +119,11 @@ echo '### Test --block size=1M -j1 - more data than cpu';
 
 echo '### Test --pipe default settings'; 
   cat /tmp/blocktest | parallel --pipe sort | sort -n | md5sum
+
+echo '### bug #44350: --tagstring should support \t'; 
+  parallel --tagstring 'a\tb' echo ::: c
+  parallel -d '\t' echo ::: 'a	b'
+  parallel -d '"' echo ::: 'a"b'
 EOF
 
 rm /tmp/parallel-seq /tmp/blocktest
diff --git a/testsuite/wanted-results/parallel-local5 b/testsuite/wanted-results/parallel-local5
index 1a81b5ee..c98fe642 100644
--- a/testsuite/wanted-results/parallel-local5
+++ b/testsuite/wanted-results/parallel-local5
@@ -297,3 +297,12 @@ echo '### Test --block size=1M -j1 - more data than cpu';   cat /tmp/blocktest |
 echo '### Test --pipe default settings';   cat /tmp/blocktest | parallel --pipe sort | sort -n | md5sum
 ### Test --pipe default settings
 8a7095c1c23bfadc311fe6b16d950582  -
+echo '### bug #44350: --tagstring should support \t';   parallel --tagstring 'a\tb' echo ::: c
+### bug #44350: --tagstring should support \t
+a	b	c
+  parallel -d '\t' echo ::: 'a	b'
+a
+b
+  parallel -d '"' echo ::: 'a"b'
+a
+b