diff --git a/pygoscelis-config b/pygoscelis-config
index 2708dee..61abb3f 100644
--- a/pygoscelis-config
+++ b/pygoscelis-config
@@ -432,7 +432,7 @@ CONFIG_ARCH_SPARSEMEM_DEFAULT=y
 CONFIG_ARCH_SELECT_MEMORY_MODEL=y
 CONFIG_ILLEGAL_POINTER_VALUE=0xdead000000000000
 CONFIG_X86_PMEM_LEGACY_DEVICE=y
-CONFIG_X86_PMEM_LEGACY=y
+CONFIG_X86_PMEM_LEGACY=m
 # CONFIG_X86_CHECK_BIOS_CORRUPTION is not set
 CONFIG_MTRR=y
 # CONFIG_MTRR_SANITIZER is not set