diff --git a/meson.build b/meson.build
index f80f40117abe270eb1ee7e912a237ef13aabddd8..0ce413e52f6bc7a7923d287efc2456b47a5cc5f4 100644
--- a/meson.build
+++ b/meson.build
@@ -132,12 +132,22 @@ else
 endif
 
 dep_bash = dependency('bash-completion', required : false)
+bashcompletiondir = ''
 if dep_bash.found()
-  bashcompletiondir = dep_bash.get_pkgconfig_variable('completionsdir')
+  prefixdir = get_option('prefix')
+  bash_prefix = dep_bash.get_pkgconfig_variable('prefix')
+  if prefixdir != bash_prefix
+    warning('User provided prefix \'@0@\' differs from bash-completion one \'@1@\'. '
+            .format(prefixdir, bash_prefix) + 'Disabling completion.')
+  else
+    bashcompletiondir = dep_bash.get_pkgconfig_variable('completionsdir')
+  endif
 else
   bashcompletiondir = join_paths(get_option('datadir'), 'bash-completion/completions')
 endif
-install_data('shell-completion/bash/wflinfo', install_dir : bashcompletiondir)
+if bashcompletiondir != ''
+  install_data('shell-completion/bash/wflinfo', install_dir : bashcompletiondir)
+endif
 
 zshcompletiondir = join_paths(get_option('datadir'), 'zsh/site-functions')
 install_data('shell-completion/zsh/_wflinfo', install_dir : zshcompletiondir)