diff --git a/gap-semigroups.changes b/gap-semigroups.changes
index bb41e99..1916179 100644
--- a/gap-semigroups.changes
+++ b/gap-semigroups.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Thu Feb 27 23:00:16 UTC 2025 - Jan Engelhardt <jengelh@inai.de>
+
+- Make specfile conform to POSIX sh
+
 -------------------------------------------------------------------
 Sat Feb 22 00:46:16 UTC 2025 - Jan Engelhardt <jengelh@inai.de>
 
diff --git a/gap-semigroups.spec b/gap-semigroups.spec
index a62c0c7..22a833d 100644
--- a/gap-semigroups.spec
+++ b/gap-semigroups.spec
@@ -70,9 +70,8 @@ autoreconf -fi
 %install
 rm -Rf libsemigroups
 %gappkg_simple_install
-pushd "%buildroot/$fmoddir/"
+cd "%buildroot/$fmoddir/"
 rm -Rfv Makefile* configure* config.* cnf/ src/ gapbind14/src/ gapbind14/include/ autom4te.cache
-popd
 find "%buildroot" "(" -name "*.orig" -o -name .gitignore -o \
 	-name .dirstamp -o -name .clang-format -o -name .ccls ")" -print -delete
 %fdupes %buildroot/%_prefix