diff --git a/zeromq.spec b/zeromq.spec
index f785ea8..44b64aa 100644
--- a/zeromq.spec
+++ b/zeromq.spec
@@ -1,17 +1,15 @@
 %bcond_without pgm
+%bcond_without unwind
 
 Name:           zeromq
 Version:        4.3.4
-Release:        2%{?dist}
+Release:        3%{?dist}
 Summary:        Software library for fast, message-based applications
 
 License:        LGPLv3+
 URL:            https://zeromq.org
 Source0:        https://github.com/%{name}/libzmq/archive/v%{version}/libzmq-%{version}.tar.gz
 
-# For some reason, a test is failing on aarch64
-#ExcludeArch:    aarch64
-
 BuildRequires:  make
 BuildRequires:  autoconf
 BuildRequires:  automake
@@ -20,9 +18,11 @@ BuildRequires:  libtool
 BuildRequires:  asciidoc
 BuildRequires:  xmlto
 BuildRequires:  libsodium-devel
+%if %{with unwind}
 %ifarch %{arm} aarch64 hppa ia64 mips ppc %{power64} %{ix86} x86_64
 BuildRequires:  libunwind-devel
 %endif
+%endif
 
 %if %{with pgm}
 BuildRequires:  openpgm-devel
@@ -68,8 +68,10 @@ autoreconf -fi
             --with-libgssapi_krb5 \
 %endif
             --with-libsodium \
+%if %{with unwind}
 %ifarch %{arm} aarch64 hppa ia64 mips ppc %{power64} %{ix86} x86_64
             --enable-libunwind \
+%endif
 %endif
             --disable-Werror \
             --disable-static
@@ -107,6 +109,10 @@ make check V=1 || ( cat test-suite.log && exit 1 )
 
 
 %changelog
+* Tue Mar 07 2023 Ben Woodard <woodard@redhat.com> - 4.3.4-3
+- disable building with libunwind to fix C++ exceptions when a C applicaion loads
+  a module written in C++ #2175966
+
 * Tue Feb 02 2021 Denis Arnaud <denis.arnaud_fedora@m4x.org> - 4.3.4-2
 - Re-added aarch64