diff --git a/gzdoom.changes b/gzdoom.changes
index d878a47..26543a8 100644
--- a/gzdoom.changes
+++ b/gzdoom.changes
@@ -2,6 +2,7 @@
 Tue Oct  1 06:23:02 UTC 2019 - Jan Engelhardt <jengelh@inai.de>
 
 - Add gzdoom-asmjit.patch.
+- Enable SSE/SSE2.
 
 -------------------------------------------------------------------
 Fri Sep 13 11:39:15 UTC 2019 - Jan Engelhardt <jengelh@inai.de>
diff --git a/gzdoom.spec b/gzdoom.spec
index 2257f81..f1c00fc 100644
--- a/gzdoom.spec
+++ b/gzdoom.spec
@@ -102,6 +102,12 @@ perl -i -pe 's{<unknown version>}{%version}g' \
 %define _lto_cflags %nil
 # We must not strip - %%debug_package will take care of it
 # Deactivate -Wl,--as-needed
+
+%ifarch %ix86
+# program does a cpuid check, so it is ok to enable
+export CFLAGS="%optflags -msse -msse2"
+export CXXFLAGS="%optflags -msse -msse2"
+%endif
 %cmake -DNO_STRIP=1 \
 %if 0%{suse_version} == 1315
 	-DCMAKE_C_COMPILER=gcc-6 -DCMAKE_CXX_COMPILER=g++-6 \