diff --git a/src/protontricks/data/scripts/bwrap_launcher.sh b/src/protontricks/data/scripts/bwrap_launcher.sh
index 922c59d..54742a4 100644
--- a/src/protontricks/data/scripts/bwrap_launcher.sh
+++ b/src/protontricks/data/scripts/bwrap_launcher.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!@bash@
 # Helper script
 set -o errexit
 
diff --git a/src/protontricks/data/scripts/wine_launch.sh b/src/protontricks/data/scripts/wine_launch.sh
index 1b0a0ce..127f13e 100644
--- a/src/protontricks/data/scripts/wine_launch.sh
+++ b/src/protontricks/data/scripts/wine_launch.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!@bash@
 # Helper script created by Protontricks to run Wine binaries using Steam Runtime
 set -o errexit
 
diff --git a/src/protontricks/data/scripts/wineserver_keepalive.sh b/src/protontricks/data/scripts/wineserver_keepalive.sh
index 8168dae..cb3e7d9 100644
--- a/src/protontricks/data/scripts/wineserver_keepalive.sh
+++ b/src/protontricks/data/scripts/wineserver_keepalive.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!@bash@
 # A simple keepalive script that will ensure a wineserver process is kept alive
 # for the duration of the Protontricks session.
 # This is accomplished by launching a simple Windows batch script that will
diff --git a/src/protontricks/util.py b/src/protontricks/util.py
index 9262cd0..00b2b2f 100644
--- a/src/protontricks/util.py
+++ b/src/protontricks/util.py
@@ -99,7 +99,7 @@ def get_host_library_paths():
     # Since that command is unavailable with newer Steam Runtime releases,
     # do it ourselves here.
     result = run(
-        ["/sbin/ldconfig", "-XNv"],
+        ["@steamRun@", "/sbin/ldconfig", "-XNv"],
         check=True, stdout=PIPE, stderr=PIPE
     )
     lines = result.stdout.decode("utf-8").split("\n")
diff --git a/tests/conftest.py b/tests/conftest.py
index a516437..88bf804 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -170,7 +170,7 @@ def steam_runtime_dir(steam_dir):
     """
     (steam_dir.parent / "root" / "ubuntu12_32" / "steam-runtime").mkdir(parents=True)
     (steam_dir.parent / "root" / "ubuntu12_32" / "steam-runtime" / "run.sh").write_text(
-        "#!/bin/bash\n"
+        "#!/bin/sh\n"
         """if [ "$1" = "--print-steam-runtime-library-paths" ]; then\n"""
         "    echo 'fake_steam_runtime/lib:fake_steam_runtime/lib64'\n"
         "fi"
@@ -764,7 +764,7 @@ def xdg_user_dir_bin(home_dir):
     # Only mock PICTURES and DOWNLOAD; mocking everything isn't necessary
     # for the tests.
     (home_dir / ".local" / "bin" / "xdg-user-dir").write_text(
-        '#!/bin/bash\n'
+        '#!/bin/sh\n'
         'if [[ "$1" == "PICTURES" ]]; then\n'
         '    echo "$HOME/Pictures"\n'
         'elif [[ "$1" == "DOWNLOAD" ]]; then\n'