diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0529d982..117313a3 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -992,20 +992,19 @@ endif()
 # landlock  Require Landlock (Linux >= 5.13) and fail if not found.
 set(SUPPORTED_SANDBOX_METHODS ON OFF capsicum pledge landlock)
 
-set(ENABLE_SANDBOX ON CACHE STRING
+set(XZ_SANDBOX ON CACHE STRING
     "Sandboxing method to use in 'xz', 'xzdec', and 'lzmadec'")
 
-set_property(CACHE ENABLE_SANDBOX
-                PROPERTY STRINGS "${SUPPORTED_SANDBOX_METHODS}")
+set_property(CACHE XZ_SANDBOX PROPERTY STRINGS "${SUPPORTED_SANDBOX_METHODS}")
 
-if(NOT ENABLE_SANDBOX IN_LIST SUPPORTED_SANDBOX_METHODS)
-    message(FATAL_ERROR "'${ENABLE_SANDBOX}' is not a supported "
+if(NOT XZ_SANDBOX IN_LIST SUPPORTED_SANDBOX_METHODS)
+    message(FATAL_ERROR "'${XZ_SANDBOX}' is not a supported "
                         "sandboxing method")
 endif()
 
 # When autodetecting, the search order is fixed and we must not find
 # more than one method.
-if(ENABLE_SANDBOX STREQUAL "OFF")
+if(XZ_SANDBOX STREQUAL "OFF")
     set(SANDBOX_FOUND ON)
 else()
     set(SANDBOX_FOUND OFF)
@@ -1016,7 +1015,7 @@ endif()
 set(SANDBOX_COMPILE_DEFINITION OFF)
 
 # Sandboxing: Capsicum
-if(NOT SANDBOX_FOUND AND ENABLE_SANDBOX MATCHES "^ON$|^capsicum$")
+if(NOT SANDBOX_FOUND AND XZ_SANDBOX MATCHES "^ON$|^capsicum$")
     check_symbol_exists(cap_rights_limit sys/capsicum.h
                         HAVE_CAP_RIGHTS_LIMIT)
     if(HAVE_CAP_RIGHTS_LIMIT)
@@ -1026,7 +1025,7 @@ if(NOT SANDBOX_FOUND AND ENABLE_SANDBOX MATCHES "^ON$|^capsicum$")
 endif()
 
 # Sandboxing: pledge(2)
-if(NOT SANDBOX_FOUND AND ENABLE_SANDBOX MATCHES "^ON$|^pledge$")
+if(NOT SANDBOX_FOUND AND XZ_SANDBOX MATCHES "^ON$|^pledge$")
     check_symbol_exists(pledge unistd.h HAVE_PLEDGE)
     if(HAVE_PLEDGE)
         set(SANDBOX_COMPILE_DEFINITION "HAVE_PLEDGE")
@@ -1035,7 +1034,7 @@ if(NOT SANDBOX_FOUND AND ENABLE_SANDBOX MATCHES "^ON$|^pledge$")
 endif()
 
 # Sandboxing: Landlock
-if(NOT SANDBOX_FOUND AND ENABLE_SANDBOX MATCHES "^ON$|^landlock$")
+if(NOT SANDBOX_FOUND AND XZ_SANDBOX MATCHES "^ON$|^landlock$")
     # A compile check is done here because some systems have
     # linux/landlock.h, but do not have the syscalls defined
     # in order to actually use Linux Landlock.
@@ -1077,14 +1076,14 @@ if(NOT SANDBOX_FOUND AND ENABLE_SANDBOX MATCHES "^ON$|^landlock$")
             message(SEND_ERROR
                     "CMAKE_C_FLAGS or the environment variable CFLAGS "
                     "contains '-fsanitize=' which is incompatible "
-                    "with Landlock sandboxing. Use -DENABLE_SANDBOX=OFF "
+                    "with Landlock sandboxing. Use -DXZ_SANDBOX=OFF "
                     "as an argument to 'cmake' when using '-fsanitize'.")
         endif()
     endif()
 endif()
 
-if(NOT SANDBOX_FOUND AND NOT ENABLE_SANDBOX MATCHES "^ON$|^OFF$")
-    message(SEND_ERROR "ENABLE_SANDBOX=${ENABLE_SANDBOX} was used but "
+if(NOT SANDBOX_FOUND AND NOT XZ_SANDBOX MATCHES "^ON$|^OFF$")
+    message(SEND_ERROR "XZ_SANDBOX=${XZ_SANDBOX} was used but "
                         "support for the sandboxing method wasn't found.")
 endif()