diff --git a/sources/minos.c b/sources/minos.c
index 73db7c41..2e4358a7 100644
--- a/sources/minos.c
+++ b/sources/minos.c
@@ -587,6 +587,8 @@ DBASE *GetDbase(char *filename, MLONG rwmode)
 	d->handle = f;
 	if ( ReadIniInfo(d) || ReadIndex(d) ) { M_free(d,"index-d"); fclose(f); return(0); }
 	if ( ComposeTableNames(d) < 0 ) { FreeTableBase(d); fclose(f); return(0); }
+	// free allocation from previous str_dup
+	M_free(d->name, "from str_dup");
 	d->name = str_dup(filename);
 	d->fullname = newname;
 	return(d);
@@ -676,6 +678,8 @@ DBASE *NewDbase(char *name,MLONG number)
 		if ( i > 0 ) d->iblocks[i]->previousblock = d->iblocks[i-1]->position;
 		else d->iblocks[i]->previousblock = -1;
 		d->iblocks[i]->position = ftell(f);
+		// Initialise, to keep valgrind happy
+		d->iblocks[i]->flags = -1;
 /*----------change 10-feb-2003 */
 /*
 			Zero things properly. We don't want garbage in the file.
diff --git a/sources/transform.c b/sources/transform.c
index 392cd2a1..f97a8a35 100644
--- a/sources/transform.c
+++ b/sources/transform.c
@@ -163,7 +163,7 @@ int CoTransform(UBYTE *in)
 			return(error);
 		}
 		in = SkipAName(in);
-		if ( *in == '>' || *in == '<' ) in++;
+		if ( *in == '>' || *in == '<' || *in == '+' || *in == '-' ) in++;
 		ss = in;
 		c = *ss; *ss = 0;
 		if ( c != '(' ) {
@@ -548,7 +548,7 @@ illsize:					MesPrint("&Illegal value for base in encode/decode transformation")
 			type = ISLYNDON;
 			goto doreplace;
 		}
-		else if ( StrICmp(s,(UBYTE *)"islyndon+" ) == 0 ) {
+		else if ( StrICmp(s,(UBYTE *)"islyndon-" ) == 0 ) {
 			type = ISLYNDON;
 			goto doreplace;
 		}
@@ -556,7 +556,7 @@ illsize:					MesPrint("&Illegal value for base in encode/decode transformation")
 			type = ISLYNDONR;
 			goto doreplace;
 		}
-		else if ( StrICmp(s,(UBYTE *)"islyndon-" ) == 0 ) {
+		else if ( StrICmp(s,(UBYTE *)"islyndon+" ) == 0 ) {
 			type = ISLYNDONR;
 			goto doreplace;
 		}
@@ -568,7 +568,7 @@ illsize:					MesPrint("&Illegal value for base in encode/decode transformation")
 			type = TOLYNDON;
 			goto doreplace;
 		}
-		else if ( StrICmp(s,(UBYTE *)"tolyndon+" ) == 0 ) {
+		else if ( StrICmp(s,(UBYTE *)"tolyndon-" ) == 0 ) {
 			type = TOLYNDON;
 			goto doreplace;
 		}
@@ -576,7 +576,7 @@ illsize:					MesPrint("&Illegal value for base in encode/decode transformation")
 			type = TOLYNDONR;
 			goto doreplace;
 		}
-		else if ( StrICmp(s,(UBYTE *)"tolyndon-" ) == 0 ) {
+		else if ( StrICmp(s,(UBYTE *)"tolyndon+" ) == 0 ) {
 			type = TOLYNDONR;
 			goto doreplace;
 		}