diff --git a/src/parallel b/src/parallel
index 16b2714c..b7b6e11a 100755
--- a/src/parallel
+++ b/src/parallel
@@ -1259,7 +1259,7 @@ sub check_invalid_option_combinations {
 
 sub init_globals {
     # Defaults:
-    $Global::version = 20170101;
+    $Global::version = 20170111;
     $Global::progname = 'parallel';
     $Global::infinity = 2**31;
     $Global::debug = 0;
@@ -9197,12 +9197,44 @@ sub replaced {
 	    # for each arg:
 	    #   replace replacement strings with replacement in the word value
 	    #   push to replace word value
-	    $perl_expressions_as_re ||=
-		join("|", map {s/^-?\d+//; "\Q$_\E"} keys %{$self->{'replacecount'}});
-	    for my $arg (@$argref) {
-		my $val = $word;
-		# Replace {= perl expr =} with value for each arg
-		$val =~ s{\257<(-?\d+)?($perl_expressions_as_re)\257>}
+
+	    if($opt::sqlworker) {
+		$perl_expressions_as_re =
+		    join("|", map {s/^-?\d+//; "\Q$_\E"} keys %{$self->{'replacecount'}});
+		for my $arg (@$argref) {
+		    my $val = $word;
+		    # Replace {= perl expr =} with value for each arg
+		    $val =~ s{\257<(-?\d+)?($perl_expressions_as_re)\257>}
+		    {
+			if($1) {
+			    # Positional replace
+			    # Find the relevant arg and replace it
+			    ($argref->[$1 > 0 ? $1-1 : $n+$1] ? # If defined: replace
+			     $argref->[$1 > 0 ? $1-1 : $n+$1]->
+			     replace($2,$quote_arg,$self)
+			     : "");
+			} else {
+			    # Normal replace
+			    $normal_replace ||= 1;
+			    ($arg ? $arg->replace($2,$quote_arg,$self) : "");
+			}
+		    }gxe;
+		    if($quote) {
+			CORE::push(@{$replace{::shell_quote_scalar($word)}},
+				   ::shell_quote_scalar($val));
+		    } else {
+			CORE::push(@{$replace{$word}}, $val);
+		    }
+		    # No normal replacements => only run once
+		    $normal_replace or last;
+		}
+	    } else {
+		$perl_expressions_as_re ||=
+		    join("|", map {s/^-?\d+//; "\Q$_\E"} keys %{$self->{'replacecount'}});
+		for my $arg (@$argref) {
+		    my $val = $word;
+		    # Replace {= perl expr =} with value for each arg
+		    $val =~ s{\257<(-?\d+)?($perl_expressions_as_re)\257>}
 		    {
 			if($1) {
 			    # Positional replace
@@ -9217,14 +9249,15 @@ sub replaced {
 			    ($arg ? $arg->replace($2,$quote_arg,$self) : "");
 			}
 		    }goxe;
-		if($quote) {
-		    CORE::push(@{$replace{::shell_quote_scalar($word)}},
-			       ::shell_quote_scalar($val));
-		} else {
-		    CORE::push(@{$replace{$word}}, $val);
+		    if($quote) {
+			CORE::push(@{$replace{::shell_quote_scalar($word)}},
+				   ::shell_quote_scalar($val));
+		    } else {
+			CORE::push(@{$replace{$word}}, $val);
+		    }
+		    # No normal replacements => only run once
+		    $normal_replace or last;
 		}
-		# No normal replacements => only run once
-		$normal_replace or last;
 	    }
 	}
 	*Arg::arg = [];