diff --git a/libcryptopp.changes b/libcryptopp.changes
index 520eebb..15cde9a 100644
--- a/libcryptopp.changes
+++ b/libcryptopp.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Wed Aug 10 04:17:28 UTC 2022 - Bernhard Wiedemann <bwiedemann@suse.com>
+
+- Enable SSE2 to fix i586 build
+
 -------------------------------------------------------------------
 Tue Aug  9 07:18:25 UTC 2022 - Bernhard Wiedemann <bwiedemann@suse.com>
 
diff --git a/libcryptopp.spec b/libcryptopp.spec
index 30ed86f..e6de2da 100644
--- a/libcryptopp.spec
+++ b/libcryptopp.spec
@@ -76,6 +76,9 @@ curve crypto. This package is used for crypto++ development.
 %define _lto_cflags %{nil}
 %endif
 CXXFLAGS="-DNDEBUG %{optflags} -fpic -fPIC -pthread -fopenmp"
+%ifarch i586
+  CXXFLAGS="$CXXFLAGS -mmmx -msse2"
+%endif
 # aarch64 arm -march=armv7-a -mfpu=neon
 %ifarch ppc64
 CXXFLAGS="$CXXFLAGS -DCRYPTOPP_DISABLE_ALTIVEC"