1diff --git a/src/protontricks/data/scripts/bwrap_launcher.sh b/src/protontricks/data/scripts/bwrap_launcher.sh
2index 922c59d..54742a4 100644
3--- a/src/protontricks/data/scripts/bwrap_launcher.sh
4+++ b/src/protontricks/data/scripts/bwrap_launcher.sh
5@@ -1,4 +1,4 @@
6-#!/bin/bash
7+#!@bash@
8 # Helper script
9 set -o errexit
10
11diff --git a/src/protontricks/data/scripts/wine_launch.sh b/src/protontricks/data/scripts/wine_launch.sh
12index 1b0a0ce..127f13e 100644
13--- a/src/protontricks/data/scripts/wine_launch.sh
14+++ b/src/protontricks/data/scripts/wine_launch.sh
15@@ -1,4 +1,4 @@
16-#!/bin/bash
17+#!@bash@
18 # Helper script created by Protontricks to run Wine binaries using Steam Runtime
19 set -o errexit
20
21diff --git a/src/protontricks/data/scripts/wineserver_keepalive.sh b/src/protontricks/data/scripts/wineserver_keepalive.sh
22index 8168dae..cb3e7d9 100644
23--- a/src/protontricks/data/scripts/wineserver_keepalive.sh
24+++ b/src/protontricks/data/scripts/wineserver_keepalive.sh
25@@ -1,4 +1,4 @@
26-#!/bin/bash
27+#!@bash@
28 # A simple keepalive script that will ensure a wineserver process is kept alive
29 # for the duration of the Protontricks session.
30 # This is accomplished by launching a simple Windows batch script that will
31diff --git a/src/protontricks/util.py b/src/protontricks/util.py
32index 0c7de98..afea7e4 100644
33--- a/src/protontricks/util.py
34+++ b/src/protontricks/util.py
35@@ -99,7 +99,7 @@ def get_host_library_paths():
36 # Since that command is unavailable with newer Steam Runtime releases,
37 # do it ourselves here.
38 result = run(
39- ["/sbin/ldconfig", "-XNv"],
40+ ["@steamRun@", "/sbin/ldconfig", "-XNv"],
41 check=True, stdout=PIPE, stderr=PIPE
42 )
43 lines = result.stdout.decode("utf-8").split("\n")
44diff --git a/tests/conftest.py b/tests/conftest.py
45index fdb44ed..4758799 100644
46--- a/tests/conftest.py
47+++ b/tests/conftest.py
48@@ -175,7 +175,7 @@ def steam_runtime_dir(steam_dir):
49 """
50 (steam_dir.parent / "root" / "ubuntu12_32" / "steam-runtime").mkdir(parents=True)
51 (steam_dir.parent / "root" / "ubuntu12_32" / "steam-runtime" / "run.sh").write_text(
52- "#!/bin/bash\n"
53+ "#!/bin/sh\n"
54 """if [ "$1" = "--print-steam-runtime-library-paths" ]; then\n"""
55 " echo 'fake_steam_runtime/lib:fake_steam_runtime/lib64'\n"
56 "fi"
57@@ -768,7 +768,7 @@ def xdg_user_dir_bin(home_dir):
58 # Only mock PICTURES and DOWNLOAD; mocking everything isn't necessary
59 # for the tests.
60 (home_dir / ".local" / "bin" / "xdg-user-dir").write_text(
61- '#!/bin/bash\n'
62+ '#!/bin/sh\n'
63 'if [[ "$1" == "PICTURES" ]]; then\n'
64 ' echo "$HOME/Pictures"\n'
65 'elif [[ "$1" == "DOWNLOAD" ]]; then\n'