diff --git a/cmake/os.cmake b/cmake/os.cmake
index 02a787dff..19b208b3e 100644
--- a/cmake/os.cmake
+++ b/cmake/os.cmake
@@ -15,7 +15,7 @@ else()
         set(XMRIG_OS_ANDROID ON)
     elseif(CMAKE_SYSTEM_NAME MATCHES "Linux")
         set(XMRIG_OS_LINUX ON)
-    elseif(CMAKE_SYSTEM_NAME STREQUAL FreeBSD)
+    elseif(CMAKE_SYSTEM_NAME STREQUAL FreeBSD OR CMAKE_SYSTEM_NAME STREQUAL DragonFly)
         set(XMRIG_OS_FREEBSD ON)
     endif()
 endif()
diff --git a/src/backend/cpu/platform/BasicCpuInfo_arm.cpp b/src/backend/cpu/platform/BasicCpuInfo_arm.cpp
index f6edd503c..b684c510f 100644
--- a/src/backend/cpu/platform/BasicCpuInfo_arm.cpp
+++ b/src/backend/cpu/platform/BasicCpuInfo_arm.cpp
@@ -27,7 +27,7 @@
 
 #if __ARM_FEATURE_CRYPTO && !defined(__APPLE__)
 #   include <sys/auxv.h>
-#   if !defined(__FreeBSD__) && !defined(__DragonFly__)
+#   if !defined(XMRIG_OS_FREEBSD)
 #       include <asm/hwcap.h>
 #   else
 #       include <stdint.h>
@@ -71,7 +71,7 @@ xmrig::BasicCpuInfo::BasicCpuInfo() :
 #   if __ARM_FEATURE_CRYPTO
 #   if defined(__APPLE__)
     m_flags.set(FLAG_AES, true);
-#   elif defined(__FreeBSD__) || defined(__DragonFly__)
+#   elif defined(XMRIG_OS_FREEBSD)
     uint64_t isar0 = READ_SPECIALREG(id_aa64isar0_el1);
     m_flags.set(FLAG_AES, ID_AA64ISAR0_AES_VAL(isar0) >= ID_AA64ISAR0_AES_BASE);
 #   else
diff --git a/src/base/kernel/Platform_unix.cpp b/src/base/kernel/Platform_unix.cpp
index 4c4fe92e9..4ffee2140 100644
--- a/src/base/kernel/Platform_unix.cpp
+++ b/src/base/kernel/Platform_unix.cpp
@@ -16,10 +16,12 @@
  *   along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
-#if defined(__FreeBSD__) || defined(__DragonFly__)
+#ifdef XMRIG_OS_FREEBSD
 #   include <sys/types.h>
 #   include <sys/param.h>
-#   include <sys/cpuset.h>
+#   ifndef __DragonFly__
+#       include <sys/cpuset.h>
+#   endif
 #   include <pthread_np.h>
 #endif
 
@@ -41,11 +43,6 @@
 #include "version.h"
 
 
-#if defined(__FreeBSD__) || defined(__DragonFly__)
-typedef cpuset_t cpu_set_t;
-#endif
-
-
 char *xmrig::Platform::createUserAgent()
 {
     constexpr const size_t max = 256;
@@ -74,6 +71,19 @@ char *xmrig::Platform::createUserAgent()
 
 
 #ifndef XMRIG_FEATURE_HWLOC
+#ifdef __DragonFly__
+
+bool xmrig::Platform::setThreadAffinity(uint64_t cpu_id)
+{
+    return true;
+}
+
+#else
+
+#ifdef XMRIG_OS_FREEBSD
+typedef cpuset_t cpu_set_t;
+#endif
+
 bool xmrig::Platform::setThreadAffinity(uint64_t cpu_id)
 {
     cpu_set_t mn;
@@ -89,7 +99,9 @@ bool xmrig::Platform::setThreadAffinity(uint64_t cpu_id)
     std::this_thread::sleep_for(std::chrono::milliseconds(1));
     return result;
 }
-#endif
+
+#endif // __DragonFly__
+#endif // XMRIG_FEATURE_HWLOC
 
 
 void xmrig::Platform::setProcessPriority(int)
diff --git a/src/crypto/common/VirtualMemory_unix.cpp b/src/crypto/common/VirtualMemory_unix.cpp
index 1f3be36ba..99b961317 100644
--- a/src/crypto/common/VirtualMemory_unix.cpp
+++ b/src/crypto/common/VirtualMemory_unix.cpp
@@ -57,6 +57,15 @@
 #   define MAP_HUGE_MASK 0x3f
 #endif
 
+#ifdef XMRIG_OS_FREEBSD
+#   ifndef MAP_ALIGNED_SUPER
+#       define MAP_ALIGNED_SUPER 0
+#   endif
+#   ifndef MAP_PREFAULT_READ
+#       define MAP_PREFAULT_READ 0
+#   endif
+#endif
+
 
 #ifdef XMRIG_SECURE_JIT
 #   define SECURE_PROT_EXEC 0
@@ -65,7 +74,7 @@
 #endif
 
 
-#if defined(XMRIG_OS_LINUX) || (!defined(XMRIG_OS_APPLE) && !defined(__FreeBSD__) && !defined(__DragonFly__))
+#if defined(XMRIG_OS_LINUX) || (!defined(XMRIG_OS_APPLE) && !defined(XMRIG_OS_FREEBSD))
 static inline int hugePagesFlag(size_t size)
 {
     return (static_cast<int>(log2(size)) & MAP_HUGE_MASK) << MAP_HUGE_SHIFT;
@@ -135,7 +144,7 @@ void *xmrig::VirtualMemory::allocateExecutableMemory(size_t size, bool hugePages
 #   ifdef XMRIG_ARM
     pthread_jit_write_protect_np(false);
 #   endif
-#   elif defined(__FreeBSD__) || defined(__DragonFly__)
+#   elif defined(XMRIG_OS_FREEBSD)
     void *mem = nullptr;
 
     if (hugePages) {
@@ -168,7 +177,7 @@ void *xmrig::VirtualMemory::allocateLargePagesMemory(size_t size)
 {
 #   if defined(XMRIG_OS_APPLE)
     void *mem = mmap(0, size, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANON, VM_FLAGS_SUPERPAGE_SIZE_2MB, 0);
-#   elif defined(__FreeBSD__) || defined(__DragonFly__)
+#   elif defined(XMRIG_OS_FREEBSD)
     void *mem = mmap(0, size, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS | MAP_ALIGNED_SUPER | MAP_PREFAULT_READ, -1, 0);
 #   else
     void *mem = mmap(0, size, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS | MAP_HUGETLB | MAP_POPULATE | hugePagesFlag(hugePageSize()), 0, 0);
diff --git a/src/hw/dmi/DmiReader_unix.cpp b/src/hw/dmi/DmiReader_unix.cpp
index 2f7030fa2..cfc1ee2f8 100644
--- a/src/hw/dmi/DmiReader_unix.cpp
+++ b/src/hw/dmi/DmiReader_unix.cpp
@@ -31,7 +31,7 @@
 #include <unistd.h>
 #include <cstdio>
 
-#if defined(__FreeBSD__) || defined(__DragonFly__)
+#ifdef XMRIG_OS_FREEBSD
 #   include <kenv.h>
 #endif
 
@@ -288,7 +288,7 @@ static off_t address_from_efi()
     const char *filename;
     char linebuf[64];
     off_t address = 0;
-#   elif defined(__FreeBSD__) || defined(__DragonFly__)
+#   elif defined(XMRIG_OS_FREEBSD)
     char addrstr[KENV_MVALLEN + 1];
 #   endif
 
@@ -310,7 +310,7 @@ static off_t address_from_efi()
     fclose(efi_systab);
 
     return address;
-#   elif defined(__FreeBSD__) || defined(__DragonFly__)
+#   elif defined(XMRIG_OS_FREEBSD)
     if (kenv(KENV_GET, "hint.smbios.0.mem", addrstr, sizeof(addrstr)) == -1) {
         return EFI_NOT_FOUND;
     }