diff --git a/include/oaknut/code_block.hpp b/include/oaknut/code_block.hpp
index 1c29ad0..bfa87d9 100644
--- a/include/oaknut/code_block.hpp
+++ b/include/oaknut/code_block.hpp
@@ -36,6 +36,10 @@ public:
 #    else
         m_memory = (std::uint32_t*)mmap(nullptr, size, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_ANON | MAP_PRIVATE | MAP_JIT, -1, 0);
 #    endif
+#elif defined(__NetBSD__)
+        m_memory = (std::uint32_t*)mmap(nullptr, size, PROT_MPROTECT(PROT_READ | PROT_WRITE | PROT_EXEC), MAP_ANON | MAP_PRIVATE, -1, 0);
+#elif defined(__OpenBSD__)
+        m_memory = (std::uint32_t*)mmap(nullptr, size, PROT_READ | PROT_EXEC, MAP_ANON | MAP_PRIVATE, -1, 0);
 #else
         m_memory = (std::uint32_t*)mmap(nullptr, size, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_ANON | MAP_PRIVATE, -1, 0);
 #endif
@@ -68,23 +72,19 @@ public:
 
     void protect()
     {
-#if defined(__APPLE__)
-#    if TARGET_OS_IPHONE
-        mprotect(m_memory, m_size, PROT_READ | PROT_EXEC);
-#    else
+#if defined(__APPLE__) && !TARGET_OS_IPHONE
         pthread_jit_write_protect_np(1);
-#    endif
+#elif defined(__APPLE__) || defined(__NetBSD__) || defined(__OpenBSD__)
+        mprotect(m_memory, m_size, PROT_READ | PROT_EXEC);
 #endif
     }
 
     void unprotect()
     {
-#if defined(__APPLE__)
-#    if TARGET_OS_IPHONE
-        mprotect(m_memory, m_size, PROT_READ | PROT_WRITE);
-#    else
+#if defined(__APPLE__) && !TARGET_OS_IPHONE
         pthread_jit_write_protect_np(0);
-#    endif
+#elif defined(__APPLE__) || defined(__NetBSD__) || defined(__OpenBSD__)
+        mprotect(m_memory, m_size, PROT_READ | PROT_WRITE);
 #endif
     }