diff --git a/repos/libports/ports/acpica.hash b/repos/libports/ports/acpica.hash
index e2a72369e..5d5fc35d5 100644
--- a/repos/libports/ports/acpica.hash
+++ b/repos/libports/ports/acpica.hash
@@ -1 +1 @@
-eeabeb0dc87258ecfc57e24d54b036c84b5fcf26
+5c1c548586f9a754f192a04b7931acabeb4c7239
diff --git a/repos/libports/src/lib/acpica/acpica.patch b/repos/libports/src/lib/acpica/acpica.patch
index f0c8564d3..5de2eb995 100644
--- a/repos/libports/src/lib/acpica/acpica.patch
+++ b/repos/libports/src/lib/acpica/acpica.patch
@@ -58,6 +58,19 @@ index cec39cb..2a8e3a6 100644
  
      /*
       * Make sure that a handler exists. If not, report an error
+diff --git src/lib/acpica/source/include/acpixf.h src/lib/acpica/source/include/acpixf.h
+index 3a823a3..abc2900 100644
+--- src/lib/acpica/source/include/acpixf.h
++++ src/lib/acpica/source/include/acpixf.h
+@@ -137,7 +137,7 @@
+  * 5) Allow unresolved references (invalid target name) in package objects
+  * 6) Enable warning messages for behavior that is not ACPI spec compliant
+  */
+-ACPI_INIT_GLOBAL (UINT8,            AcpiGbl_EnableInterpreterSlack, FALSE);
++ACPI_INIT_GLOBAL (UINT8,            AcpiGbl_EnableInterpreterSlack, TRUE);
+ 
+ /*
+  * Automatically serialize all methods that create named objects? Default
 diff --git src/lib/acpica/source/include/platform/acenv.h src/lib/acpica/source/include/platform/acenv.h
 index 1ab311d..514b144 100644
 --- src/lib/acpica/source/include/platform/acenv.h