diff --git a/erlang.spec b/erlang.spec
index ca182a3..1467e61 100644
--- a/erlang.spec
+++ b/erlang.spec
@@ -61,7 +61,7 @@
 
 Name:		erlang
 Version:	21.2.4
-Release:	1%{?dist}
+Release:	2%{?dist}
 Summary:	General-purpose programming language and runtime environment
 
 License:	ASL 2.0
@@ -102,6 +102,7 @@ Patch7: otp-0007-Add-extra-search-directory.patch
 Patch8: otp-0008-Avoid-forking-sed-to-get-basename.patch
 Patch9: otp-0009-Load-man-pages-from-system-wide-directory.patch
 Patch10: otp-0010-Improve-nodes-querying.patch
+Patch11: otp-0011-In-openssl-1.0.1e-EC_GROUP_new_curve_GF2m-function-i.patch
 # end of autogenerated patch tag list
 
 BuildRequires:	gcc
@@ -1944,6 +1945,9 @@ useradd -r -g epmd -d /dev/null -s /sbin/nologin \
 
 
 %changelog
+* Mon Feb 04 2019 Peter Lemenkov <lemenkov@gmail.com> - 21.2.4-2
+- Fix EC detection
+
 * Thu Jan 31 2019 Peter Lemenkov <lemenkov@gmail.com> - 21.2.4-1
 - Ver. 21.2.4
 - Removed cosEvent, cosEventDomain, cosFileTransfer, cosNotification,
diff --git a/otp-0011-In-openssl-1.0.1e-EC_GROUP_new_curve_GF2m-function-i.patch b/otp-0011-In-openssl-1.0.1e-EC_GROUP_new_curve_GF2m-function-i.patch
new file mode 100644
index 0000000..ee96c42
--- /dev/null
+++ b/otp-0011-In-openssl-1.0.1e-EC_GROUP_new_curve_GF2m-function-i.patch
@@ -0,0 +1,22 @@
+From: "Matwey V. Kornilov" <matwey.kornilov@gmail.com>
+Date: Sat, 21 Dec 2013 00:13:35 +0400
+Subject: [PATCH] In openssl 1.0.1e EC_GROUP_new_curve_GF2m function is wrapped
+ by #ifndef OPENSSL_NO_EC2M. We have to check whether OPENSSL_NO_EC2M is set,
+ and if it is, then we do not have EC_GROUP_new_curve_GF2m function and do not
+ HAVE_EC.
+
+
+diff --git a/lib/crypto/c_src/crypto.c b/lib/crypto/c_src/crypto.c
+index df607732bf..a1fe05dd41 100644
+--- a/lib/crypto/c_src/crypto.c
++++ b/lib/crypto/c_src/crypto.c
+@@ -168,7 +168,8 @@
+ #if OPENSSL_VERSION_NUMBER >= PACKED_OPENSSL_VERSION(0,9,8,'o') \
+ 	&& !defined(OPENSSL_NO_EC) \
+ 	&& !defined(OPENSSL_NO_ECDH) \
+-	&& !defined(OPENSSL_NO_ECDSA)
++	&& !defined(OPENSSL_NO_ECDSA) \
++	&& !defined(OPENSSL_NO_EC2M)
+ # define HAVE_EC
+ #endif
+