diff --git a/clamav-0.99.2-openssl-1.1.patch b/clamav-0.99.2-openssl-1.1.patch
new file mode 100644
index 0000000..aa04063
--- /dev/null
+++ b/clamav-0.99.2-openssl-1.1.patch
@@ -0,0 +1,33 @@
+--- clamav-0.99.2/libclamav/crypto.c.omv~	2016-09-18 18:11:34.723085234 +0200
++++ clamav-0.99.2/libclamav/crypto.c	2016-09-18 18:11:48.296898159 +0200
+@@ -121,7 +121,7 @@ time_t timegm(struct tm *t)
+ int cl_initialize_crypto(void)
+ {
+     SSL_load_error_strings();
+-    SSL_library_init();
++    OPENSSL_init_ssl(0, NULL);
+     OpenSSL_add_all_digests();
+     OpenSSL_add_all_algorithms();
+     OpenSSL_add_all_ciphers();
+--- clamav-0.99.2/m4/reorganization/libs/openssl.m4.omv~	2016-09-18 18:11:11.071411211 +0200
++++ clamav-0.99.2/m4/reorganization/libs/openssl.m4	2016-09-18 18:11:22.872248566 +0200
+@@ -41,7 +41,7 @@ fi
+ have_ssl="no"
+ have_crypto="no"
+ 
+-AC_CHECK_LIB([ssl], [SSL_library_init], [have_ssl="yes"], [AC_MSG_ERROR([Your OpenSSL installation is misconfigured or missing])], [-lcrypto -lz])
++AC_CHECK_LIB([ssl], [OPENSSL_init_ssl], [have_ssl="yes"], [AC_MSG_ERROR([Your OpenSSL installation is misconfigured or missing])], [-lcrypto -lz])
+ 
+ AC_CHECK_LIB([crypto], [EVP_EncryptInit], [have_crypto="yes"], [AC_MSG_ERROR([Your OpenSSL installation is misconfigured or missing])], [-lcrypto -lz])
+ 
+--- clamav-0.99.2/libclamav/crypto.c.omv~	2016-09-18 18:15:48.514588018 +0200
++++ clamav-0.99.2/libclamav/crypto.c	2016-09-18 18:18:26.332413758 +0200
+@@ -1110,7 +1110,7 @@ X509_CRL *cl_load_crl(const char *file)
+     fclose(fp);
+ 
+     if ((x)) {
+-        tm = cl_ASN1_GetTimeT(x->crl->nextUpdate);
++        tm = cl_ASN1_GetTimeT(X509_CRL_get0_nextUpdate(x));
+         if (!(tm)) {
+             X509_CRL_free(x);
+             return NULL;
diff --git a/clamav.changes b/clamav.changes
index 57fed5a..8ef1c60 100644
--- a/clamav.changes
+++ b/clamav.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Tue Nov 28 08:30:04 UTC 2017 - meissner@suse.com
+
+- clamav-0.99.2-openssl-1.1.patch: fixed build against openssl 1.1
+
 -------------------------------------------------------------------
 Tue Sep  5 23:30:39 UTC 2017 - jengelh@inai.de
 
diff --git a/clamav.spec b/clamav.spec
index dd8fbb7..c10f169 100644
--- a/clamav.spec
+++ b/clamav.spec
@@ -29,9 +29,12 @@ BuildRequires:  zlib-devel
 # Needed for compiling LLVM.
 BuildRequires:  gcc-c++
 %endif
+BuildRequires:  autoconf
+BuildRequires:  automake
 BuildRequires:  check-devel
 BuildRequires:  libbz2-devel
 BuildRequires:  libopenssl-devel
+BuildRequires:  libtool
 BuildRequires:  libxml2-devel
 BuildRequires:  pcre-devel
 BuildRequires:  pwdutils
@@ -59,6 +62,8 @@ Patch1:         clamav-conf.patch
 Patch3:         clamav-gcc47.patch
 Patch4:         clamav-disable-timestamps.patch
 Patch5:         clamav-fix_newer_zlib.patch
+# https://raw.githubusercontent.com/patch-exchange/openssl-1.1-transition/master/clamav/clamav-0.99.2-openssl-1.1.patch
+Patch6:         clamav-0.99.2-openssl-1.1.patch
 BuildRequires:  systemd
 BuildRequires:  systemd-rpm-macros
 %systemd_requires
@@ -99,6 +104,10 @@ that want to make use of libclamav.
 %patch3 -p1
 %patch4 -p1
 %patch5 -p1
+if pkg-config --atleast-version=1.1.0 libssl; then
+%patch6 -p1
+autoreconf -i -f
+fi
 
 %build
 CFLAGS="-fstack-protector"