diff --git a/espeak-ng.spec b/espeak-ng.spec
index 816d09d..6263ca7 100644
--- a/espeak-ng.spec
+++ b/espeak-ng.spec
@@ -1,6 +1,6 @@
 Name:           espeak-ng
 Version:        1.49.2
-Release:        4%{?dist}
+Release:        5%{?dist}
 Summary:        eSpeak NG Text-to-Speech
 
 License:        GPLv3+
@@ -52,7 +52,7 @@ rm -rf src/include/compat/endian.h src/compat/getopt.c android/
 make %{?_smp_mflags} src/espeak-ng src/speak-ng
 make
 # Force utf8 for docs building
-LC_ALL=en_US.utf8 make docs
+LC_ALL=C.UTF-8 make docs
 
 %install
 %make_install
@@ -98,6 +98,10 @@ ESPEAK_DATA_PATH=`pwd` LD_LIBRARY_PATH=src:${LD_LIBRARY_PATH} src/espeak-ng ...
 %doc docs/*.html
 
 %changelog
+* Mon Nov 19 2018 Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl> - 1.49.2-5
+- Use C.UTF-8 locale
+  See https://fedoraproject.org/wiki/Changes/Remove_glibc-langpacks-all_from_buildroot
+
 * Thu Jul 19 2018 Ondřej Lysoněk <olysonek@redhat.com> - 1.49.2-4
 - Remove some unsed files in %%prep