diff --git a/clean_files.txt b/clean_files.txt
index 8e7f101b40..eeff8a1055 100644
--- a/clean_files.txt
+++ b/clean_files.txt
@@ -48,6 +48,7 @@ completion/available/dmidecode.completion.bash
 completion/available/docker-machine.completion.bash
 completion/available/docker.completion.bash
 completion/available/dotnet.completion.bash
+completion/available/export.completion.bash
 completion/available/flutter.completion.bash
 completion/available/gcloud.completion.bash
 completion/available/gem.completion.bash
diff --git a/completion/available/export.completion.bash b/completion/available/export.completion.bash
index 42da3a97be..4898eb9a01 100644
--- a/completion/available/export.completion.bash
+++ b/completion/available/export.completion.bash
@@ -1 +1,3 @@
-complete -o nospace -S = -W '$(printenv | awk -F= "{print \$1}")' export
+# shellcheck shell=bash
+
+complete -o nospace -S = -W "$(printenv | awk -F= "{print \$1}")" export