diff --git a/Makefile.pre.in b/Makefile.pre.in
index 90130a2f2e0..b19d09f9c69 100644
--- a/Makefile.pre.in
+++ b/Makefile.pre.in
@@ -1341,7 +1341,7 @@ python-config: $(srcdir)/Misc/python-config.in Misc/python-config.sh
 	# is not available in configure
 	sed -e "s,@EXENAME@,$(BINDIR)/python$(LDVERSION)$(EXE)," < $(srcdir)/Misc/python-config.in >python-config.py
 	# Replace makefile compat. variable references with shell script compat. ones; $(VAR) -> ${VAR}
-	sed -e 's,\$$(\([A-Za-z0-9_]*\)),\$$\{\1\},g' < Misc/python-config.sh >python-config
+	LC_ALL=C sed -e 's,\$$(\([A-Za-z0-9_]*\)),\$$\{\1\},g' < Misc/python-config.sh >python-config
 	# On Darwin, always use the python version of the script, the shell
 	# version doesn't use the compiler customizations that are provided
 	# in python (_osx_support.py).
@@ -1623,7 +1623,7 @@ distclean: clobber
 		Modules/Setup Modules/Setup.local Modules/Setup.config \
 		Modules/ld_so_aix Modules/python.exp Misc/python.pc
 	-rm -f python*-gdb.py
-	find $(srcdir)/[a-zA-Z]* '(' -name '*.fdc' -o -name '*~' \
+	LC_ALL=C; find $(srcdir)/[a-zA-Z]* '(' -name '*.fdc' -o -name '*~' \
 				     -o -name '[@,#]*' -o -name '*.old' \
 				     -o -name '*.orig' -o -name '*.rej' \
 				     -o -name '*.bak' ')' \
diff --git a/Misc/NEWS b/Misc/NEWS
index fbf31004819..5a8f1c2f539 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -408,6 +408,9 @@ Windows
 Build
 -----
 
+- Issue #28258: Fixed build with Estonian locale (python-config and distclean
+  targets in Makefile).  Patch by Arfrever Frehtes Taifersar Arahesis.
+
 - Issue #26661: setup.py now detects system libffi with multiarch wrapper.
 
 - Issue #28066: Fix the logic that searches build directories for generated