diff -up ./src/PCSC/pcsclite.h.in.readers_32 ./src/PCSC/pcsclite.h.in

--- ./src/PCSC/pcsclite.h.in.readers_32	2018-08-20 16:02:17.708302410 -0700

+++ ./src/PCSC/pcsclite.h.in	2018-08-20 16:02:49.462500967 -0700

@@ -281,7 +281,7 @@ extern const SCARD_IO_REQUEST g_rgSCardT

 #define PCSCLITE_VERSION_NUMBER		"@VERSION@"	/**< Current version */

 /** Maximum readers context (a slot is count as a reader) */

-#define PCSCLITE_MAX_READERS_CONTEXTS			16

+#define PCSCLITE_MAX_READERS_CONTEXTS			48

 #define MAX_READERNAME			128

diff -up ./src/PCSC/pcsclite.h.readers_32 ./src/PCSC/pcsclite.h

--- ./src/PCSC/pcsclite.h.readers_32	2018-08-20 16:02:30.993385481 -0700

+++ ./src/PCSC/pcsclite.h	2018-08-20 16:03:00.061567242 -0700

@@ -281,7 +281,7 @@ extern const SCARD_IO_REQUEST g_rgSCardT

 #define PCSCLITE_VERSION_NUMBER		"1.9.4"	/**< Current version */

 /** Maximum readers context (a slot is count as a reader) */

-#define PCSCLITE_MAX_READERS_CONTEXTS			16

+#define PCSCLITE_MAX_READERS_CONTEXTS		48	

 #define MAX_READERNAME			128