diff --git a/lziprecover.changes b/lziprecover.changes
index 0b4c6d9..61fca28 100644
--- a/lziprecover.changes
+++ b/lziprecover.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Mon Jan 20 12:39:18 UTC 2025 - Andreas Schwab <schwab@suse.de>
+
+- Build with %optflags
+
 -------------------------------------------------------------------
 Sun Jan 19 14:48:06 UTC 2025 - Jan Engelhardt <jengelh@inai.de>
 
diff --git a/lziprecover.spec b/lziprecover.spec
index 7671a98..fb199a4 100644
--- a/lziprecover.spec
+++ b/lziprecover.spec
@@ -63,7 +63,7 @@ mkdir build
 pushd build/
 ../configure --prefix="%_prefix" --bindir="%_bindir" --datadir="%_datadir" \
 	--infodir="%_infodir" --mandir="%_mandir" --sysconfdir="%_sysconfdir" \
-	CFLAGS="%optflags"
+	CXXFLAGS="%optflags"
 %make_build
 popd