diff --git a/gap-ferret.changes b/gap-ferret.changes
index 74b5143..b8ffb4e 100644
--- a/gap-ferret.changes
+++ b/gap-ferret.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Thu Feb 27 23:00:16 UTC 2025 - Jan Engelhardt <jengelh@inai.de>
+
+- Make specfile conform to POSIX sh
+
 -------------------------------------------------------------------
 Sun Sep  8 07:35:11 UTC 2024 - Jan Engelhardt <jengelh@inai.de>
 
diff --git a/gap-ferret.spec b/gap-ferret.spec
index dfacf99..f0ee1f6 100644
--- a/gap-ferret.spec
+++ b/gap-ferret.spec
@@ -46,10 +46,9 @@ find . -type f -size 0 -name _Chunks.xml -print -delete
 
 %install
 %gappkg_simple_install
-pushd "%buildroot/$fmoddir/"
+cd "%buildroot/$fmoddir/"
 rm -Rf gap_cpp* src config.log
 find YAPB++ -type f ! -name LICENSE -delete
-popd
 %fdupes %buildroot/%_prefix
 
 %files -f %name.files