diff --git a/src/hw/dmi/DmiReader_unix.cpp b/src/hw/dmi/DmiReader_unix.cpp
index d73e3943..ff57b7a6 100644
--- a/src/hw/dmi/DmiReader_unix.cpp
+++ b/src/hw/dmi/DmiReader_unix.cpp
@@ -287,12 +287,11 @@ static off_t address_from_efi()
     FILE *efi_systab;
     const char *filename;
     char linebuf[64];
+    off_t address = 0;
 #   elif defined(__FreeBSD__)
     char addrstr[KENV_MVALLEN + 1];
 #   endif
 
-    off_t address = 0;
-
 #   if defined(__linux__)
     if ((efi_systab = fopen(filename = "/sys/firmware/efi/systab", "r")) == nullptr && (efi_systab = fopen(filename = "/proc/efi/systab", "r")) == nullptr) {
         return EFI_NOT_FOUND;
diff --git a/src/hw/dmi/dmi.cmake b/src/hw/dmi/dmi.cmake
index ff4882ce..e10ec3ed 100644
--- a/src/hw/dmi/dmi.cmake
+++ b/src/hw/dmi/dmi.cmake
@@ -17,7 +17,7 @@ if (WITH_DMI)
 
     if (XMRIG_OS_WIN)
         list(APPEND SOURCES src/hw/dmi/DmiReader_win.cpp)
-    elseif(XMRIG_OS_LINUX)
+    elseif(XMRIG_OS_LINUX OR XMRIG_OS_FREEBSD)
         list(APPEND SOURCES src/hw/dmi/DmiReader_unix.cpp)
     endif()
 else()