diff --git a/ccid-1.4.36-etokent.patch b/ccid-1.4.36-etokent.patch
new file mode 100644
index 0000000..d87bb90
--- /dev/null
+++ b/ccid-1.4.36-etokent.patch
@@ -0,0 +1,94 @@
+From b48e1e697010431b7f03d4ecfe917ceee95e2c64 Mon Sep 17 00:00:00 2001
+From: Ludovic Rousseau <ludovic.rousseau@free.fr>
+Date: Tue, 7 Sep 2021 14:06:46 +0200
+Subject: [PATCH] Fix SafeNet eToken 5110 SC issue
+
+Some SafeNet eToken 5100 (but not all) have issues when IFSD is negotiated.
+For some APDU the communication stops and the token returns 0 bytes.
+
+It is the case with the SafeNet eToken 5110 SC with
+ATR: 3B D5 18 00 81 31 3A 7D 80 73 C8 21 10 30
+and PC/SC name "SafeNet eToken 5100 [eToken 5110 SC]"
+
+Another SafeNet eToken 5100 with
+ATR: 3B D5 18 00 81 31 FE 7D 80 73 C8 21 10 F4
+and PC/SC name "SafeNet eToken 5100 [Main Interface]"
+does NOT have problems with the the IFSD negotiation.
+
+
+This fixes Debian bug #993647
+https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=993647
+---
+ src/ccid.c | 7 +++++++
+ src/ccid.h | 1 +
+ 2 files changed, 8 insertions(+)
+
+diff --git a/src/ccid.c b/src/ccid.c
+index efef240..0d7ba54 100644
+--- a/src/ccid.c
++++ b/src/ccid.c
+@@ -576,6 +576,13 @@ int ccid_open_hack_post(unsigned int reader_index)
+ 			 * have one */
+ 			ccid_descriptor->bPINSupport = 0;
+ 			break;
++
++		case SAFENET_ETOKEN_5100:
++			/* the old SafeNet eToken 5110 SC (firmware 0.12) does not
++			 * like IFSD negotiation. So disable it. */
++			if (0x0012 == ccid_descriptor->IFD_bcdDevice)
++				ccid_descriptor->dwFeatures |= CCID_CLASS_AUTO_IFSD;
++			break;
+ 	}
+ 
+ 	/* Gemalto readers may report additional information */
+diff --git a/src/ccid.h b/src/ccid.h
+index b28f0c1..00ce07a 100644
+--- a/src/ccid.h
++++ b/src/ccid.h
+@@ -239,6 +239,7 @@ typedef struct
+ #define IDENTIV_uTrust3701F		0x04E65791
+ #define IDENTIV_uTrust4701F		0x04E65724
+ #define BIT4ID_MINILECTOR		0x25DD3111
++#define SAFENET_ETOKEN_5100		0x05290620
+ 
+ #define VENDOR_GEMALTO 0x08E6
+ #define GET_VENDOR(readerID) ((readerID >> 16) & 0xFFFF)
+-- 
+GitLab
+
+From 26ad96076523472e9d0d383d014e7b1ad241fd5b Mon Sep 17 00:00:00 2001
+From: Ludovic Rousseau <ludovic.rousseau@free.fr>
+Date: Wed, 8 Sep 2021 11:28:48 +0200
+Subject: [PATCH] Fix SafeNet eToken 5110 SC issue (firmware 0.13)
+
+The SafeNet eToken 5110 SC with firmware 0.13 has the same problem as
+the token with firmware 0.12.
+We use the same oslution to fix the problem.
+
+Thanks again to Vladimir K for the bug report.
+---
+ src/ccid.c | 7 ++++---
+ 1 file changed, 4 insertions(+), 3 deletions(-)
+
+diff --git a/src/ccid.c b/src/ccid.c
+index 0d7ba54..21a2fe8 100644
+--- a/src/ccid.c
++++ b/src/ccid.c
+@@ -578,9 +578,10 @@ int ccid_open_hack_post(unsigned int reader_index)
+ 			break;
+ 
+ 		case SAFENET_ETOKEN_5100:
+-			/* the old SafeNet eToken 5110 SC (firmware 0.12) does not
+-			 * like IFSD negotiation. So disable it. */
+-			if (0x0012 == ccid_descriptor->IFD_bcdDevice)
++			/* the old SafeNet eToken 5110 SC (firmware 0.12 & 0.13)
++			 * does not like IFSD negotiation. So disable it. */
++			if ((0x0012 == ccid_descriptor->IFD_bcdDevice)
++				|| (0x0013 == ccid_descriptor->IFD_bcdDevice))
+ 				ccid_descriptor->dwFeatures |= CCID_CLASS_AUTO_IFSD;
+ 			break;
+ 	}
+-- 
+GitLab
+
+
diff --git a/pcsc-lite-ccid.spec b/pcsc-lite-ccid.spec
index 59e1e17..6a4f94f 100644
--- a/pcsc-lite-ccid.spec
+++ b/pcsc-lite-ccid.spec
@@ -13,6 +13,7 @@ Source1:        https://ccid.apdu.fr/files/ccid-%{version}.tar.bz2.asc
 Source2:        gpgkey-F5E11B9FFE911146F41D953D78A1B4DFE8F9C57E.gpg
 Patch0:         ccid-1.4.26-omnikey-3121.patch
 Patch1:		ccid-1.4.34-maxreaders.patch
+Patch2:		ccid-1.4.36-etokent.patch
 
 BuildRequires: make
 BuildRequires:  perl-interpreter
@@ -40,6 +41,7 @@ gpgv2 --keyring %{SOURCE2} %{SOURCE1} %{SOURCE0}
 %setup -q -n ccid-%{version}
 %patch0 -p1 -b .omnikey
 %patch1 -p0 -b .maxreaders
+%patch2 -p1 -b .etoken
 
 %build
 %configure --enable-twinserial