diff --git a/Casks/emacs-app-good/meta.json b/Casks/emacs-app-good/meta.json
index 5ff398f0..adc32d13 100644
--- a/Casks/emacs-app-good/meta.json
+++ b/Casks/emacs-app-good/meta.json
@@ -44,7 +44,7 @@
       "binary": [
         "/Applications/Emacs.app/Contents/Resources/include/emacs-module.h",
         {
-          "target": "/usr/local/include/emacs-module.h"
+          "target": "$(brew --prefix)/include/emacs-module.h"
         }
       ]
     },
@@ -52,7 +52,7 @@
       "binary": [
         "/Applications/Emacs.app/Contents/Resources/site-lisp/subdirs.el",
         {
-          "target": "/usr/local/share/emacs/site-lisp/subdirs.el"
+          "target": "$(brew --prefix)/share/emacs/site-lisp/subdirs.el"
         }
       ]
     },
diff --git a/Casks/emacs-app-nightly-28/meta.json b/Casks/emacs-app-nightly-28/meta.json
index 27e54320..4e383b37 100644
--- a/Casks/emacs-app-nightly-28/meta.json
+++ b/Casks/emacs-app-nightly-28/meta.json
@@ -44,7 +44,7 @@
       "binary": [
         "/Applications/Emacs.app/Contents/Resources/include/emacs-module.h",
         {
-          "target": "/usr/local/include/emacs-module.h"
+          "target": "$(brew --prefix)/include/emacs-module.h"
         }
       ]
     },
@@ -52,7 +52,7 @@
       "binary": [
         "/Applications/Emacs.app/Contents/Resources/site-lisp/subdirs.el",
         {
-          "target": "/usr/local/share/emacs/site-lisp/subdirs.el"
+          "target": "$(brew --prefix)/share/emacs/site-lisp/subdirs.el"
         }
       ]
     },
diff --git a/Casks/emacs-app-nightly-29/meta.json b/Casks/emacs-app-nightly-29/meta.json
index 73542277..d574cf8a 100644
--- a/Casks/emacs-app-nightly-29/meta.json
+++ b/Casks/emacs-app-nightly-29/meta.json
@@ -44,7 +44,7 @@
       "binary": [
         "/Applications/Emacs.app/Contents/Resources/include/emacs-module.h",
         {
-          "target": "/usr/local/include/emacs-module.h"
+          "target": "$(brew --prefix)/include/emacs-module.h"
         }
       ]
     },
@@ -52,7 +52,7 @@
       "binary": [
         "/Applications/Emacs.app/Contents/Resources/site-lisp/subdirs.el",
         {
-          "target": "/usr/local/share/emacs/site-lisp/subdirs.el"
+          "target": "$(brew --prefix)/share/emacs/site-lisp/subdirs.el"
         }
       ]
     },
diff --git a/Casks/emacs-app-nightly/meta.json b/Casks/emacs-app-nightly/meta.json
index 3cbc11c2..b8ecc535 100644
--- a/Casks/emacs-app-nightly/meta.json
+++ b/Casks/emacs-app-nightly/meta.json
@@ -44,7 +44,7 @@
       "binary": [
         "/Applications/Emacs.app/Contents/Resources/include/emacs-module.h",
         {
-          "target": "/usr/local/include/emacs-module.h"
+          "target": "$(brew --prefix)/include/emacs-module.h"
         }
       ]
     },
@@ -52,7 +52,7 @@
       "binary": [
         "/Applications/Emacs.app/Contents/Resources/site-lisp/subdirs.el",
         {
-          "target": "/usr/local/share/emacs/site-lisp/subdirs.el"
+          "target": "$(brew --prefix)/share/emacs/site-lisp/subdirs.el"
         }
       ]
     },
diff --git a/Casks/emacs-app-pretest/meta.json b/Casks/emacs-app-pretest/meta.json
index 5a2391df..50c4b12d 100644
--- a/Casks/emacs-app-pretest/meta.json
+++ b/Casks/emacs-app-pretest/meta.json
@@ -44,7 +44,7 @@
       "binary": [
         "/Applications/Emacs.app/Contents/Resources/include/emacs-module.h",
         {
-          "target": "/usr/local/include/emacs-module.h"
+          "target": "$(brew --prefix)/include/emacs-module.h"
         }
       ]
     },
@@ -52,7 +52,7 @@
       "binary": [
         "/Applications/Emacs.app/Contents/Resources/site-lisp/subdirs.el",
         {
-          "target": "/usr/local/share/emacs/site-lisp/subdirs.el"
+          "target": "$(brew --prefix)/share/emacs/site-lisp/subdirs.el"
         }
       ]
     },
diff --git a/Casks/emacs-app/meta.json b/Casks/emacs-app/meta.json
index 2ac3d048..34214a27 100644
--- a/Casks/emacs-app/meta.json
+++ b/Casks/emacs-app/meta.json
@@ -44,7 +44,7 @@
       "binary": [
         "/Applications/Emacs.app/Contents/Resources/include/emacs-module.h",
         {
-          "target": "/usr/local/include/emacs-module.h"
+          "target": "$(brew --prefix)/include/emacs-module.h"
         }
       ]
     },
@@ -52,7 +52,7 @@
       "binary": [
         "/Applications/Emacs.app/Contents/Resources/site-lisp/subdirs.el",
         {
-          "target": "/usr/local/share/emacs/site-lisp/subdirs.el"
+          "target": "$(brew --prefix)/share/emacs/site-lisp/subdirs.el"
         }
       ]
     },