diff --git a/SOURCES/fix-channels-smartcard-fix-StatusW_Call.patch b/SOURCES/fix-channels-smartcard-fix-StatusW_Call.patch
new file mode 100644
index 0000000..3c67a61
--- /dev/null
+++ b/SOURCES/fix-channels-smartcard-fix-StatusW_Call.patch
@@ -0,0 +1,51 @@
+From a311075202865d22b87ec2ea8d1e32fa11868012 Mon Sep 17 00:00:00 2001
+From: Bernhard Miklautz <bernhard.miklautz@thincast.com>
+Date: Wed, 10 Jul 2019 18:36:34 +0200
+Subject: [PATCH] fix [channels/smartcard]: fix StatusW_Call
+
+According to 2.2.2.18 Status_Call cbAtrLen is unused an must be ignored
+upon receipt.
+---
+ channels/smartcard/client/smartcard_operations.c | 13 ++++++++-----
+ 1 file changed, 8 insertions(+), 5 deletions(-)
+
+diff --git a/channels/smartcard/client/smartcard_operations.c b/channels/smartcard/client/smartcard_operations.c
+index c4bf65d38..e3d848171 100644
+--- a/channels/smartcard/client/smartcard_operations.c
++++ b/channels/smartcard/client/smartcard_operations.c
+@@ -1209,15 +1209,19 @@ static LONG smartcard_StatusW_Call(SMARTCARD_DEVICE* smartcard, SMARTCARD_OPERAT
+ 	Status_Call* call = operation->call;
+ 	DWORD cbAtrLen;
+ 
+-	if (call->cbAtrLen > 32)
+-		call->cbAtrLen = 32;
++	/**
++	 * [MS-RDPESC]
++	 * According to 2.2.2.18 Status_Call cbAtrLen is unused an must be ignored upon receipt.
++	 */
++	cbAtrLen = call->cbAtrLen = 32;
++
++	call->cchReaderLen;
+ 
+ 	if (call->fmszReaderNamesIsNULL)
+ 		cchReaderLen = 0;
+ 	else
+ 		cchReaderLen = SCARD_AUTOALLOCATE;
+ 
+-	cbAtrLen = call->cbAtrLen;
+ 	ZeroMemory(ret.pbAtr, 32);
+ 	status = ret.ReturnCode = SCardStatusW(operation->hCard,
+ 	                                       call->fmszReaderNamesIsNULL ? NULL : (LPWSTR) &mszReaderNames,
+@@ -1236,8 +1240,7 @@ static LONG smartcard_StatusW_Call(SMARTCARD_DEVICE* smartcard, SMARTCARD_OPERAT
+ 		ret.cBytes = cchReaderLen;
+ #endif
+ 
+-		if (call->cbAtrLen)
+-			ret.cbAtrLen = cbAtrLen;
++		ret.cbAtrLen = cbAtrLen;
+ 	}
+ 
+ 	smartcard_trace_status_return(smartcard, &ret, TRUE);
+-- 
+2.26.0
+
diff --git a/SPECS/freerdp.spec b/SPECS/freerdp.spec
index ef091b9..3919392 100644
--- a/SPECS/freerdp.spec
+++ b/SPECS/freerdp.spec
@@ -18,7 +18,7 @@
 
 Name:           freerdp
 Version:        2.0.0
-Release:        1.rc4%{?dist}
+Release:        2.rc4%{?dist}
 Summary:        Free implementation of the Remote Desktop Protocol (RDP)
 License:        ASL 2.0
 URL:            http://www.freerdp.com/
@@ -26,6 +26,8 @@ URL:            http://www.freerdp.com/
 Source0:        https://github.com/FreeRDP/FreeRDP/archive/%{gittag}/FreeRDP-%{gittag}.tar.gz
 Source1:        build-config.h
 
+Patch01:        fix-channels-smartcard-fix-StatusW_Call.patch
+
 BuildRequires:  gcc
 BuildRequires:  gcc-c++
 BuildRequires:  alsa-lib-devel
@@ -295,6 +297,9 @@ install -m 644 %{SOURCE1} $RPM_BUILD_ROOT/%{_includedir}/freerdp2/freerdp/
 %{_libdir}/pkgconfig/winpr-tools2.pc
 
 %changelog
+* Mon Mar 30 2020 Ondrej Holy <oholy@redhat.com> - 2.0.0-2.rc4
+- Fix SCARD_INSUFFICIENT_BUFFER error (#1765199)
+
 * Wed Feb 20 2019 Ondrej Holy <oholy@redhat.com> - 2.0.0-1.rc4
 - Update to 2.0.0-rc4 (#1291254)