diff --git a/justfile b/justfile
index 17c7992c9e..21e1aca0dd 100755
--- a/justfile
+++ b/justfile
@@ -221,12 +221,16 @@ test-release-workflow:
 
 [group: 'test']
 test-completions:
+  #!/usr/bin/env bash
   rm -rf tmp/complete
   mkdir -p tmp/complete/bin
   cargo build
   cp target/debug/just tmp/complete/bin
   ./tmp/complete/bin/just --completions bash > tmp/complete/just.bash
-  echo 'mod foo' > tmp/complete/justfile
+  cat > tmp/complete/justfile << EOF
+  alias hello := foo::bar
+  mod foo
+  EOF
   echo 'bar:' > tmp/complete/foo.just
   cd tmp/complete && PATH="`realpath bin`:$PATH" bash --init-file just.bash
 
diff --git a/tests/completions.rs b/tests/completions.rs
index f11feca242..bf73f8956c 100644
--- a/tests/completions.rs
+++ b/tests/completions.rs
@@ -355,6 +355,23 @@ fn aliases_completed_with_flag() {
     .success();
 }
 
+#[test]
+fn aliases_completed_with_environment_variable() {
+  Test::new()
+    .justfile(
+      "
+        foo:
+        alias b := foo
+      ",
+    )
+    .shell(false)
+    .env("JUST_COMPLETE", "fish")
+    .env("JUST_COMPLETE_ALIASES", "true")
+    .args(complete_args(&[""]))
+    .stdout_regex("foo\nb\n--.*")
+    .success();
+}
+
 #[test]
 fn private_aliases_excluded() {
   Test::new()