diff --git a/tools/blisp/src/util.c b/tools/blisp/src/util.c
index eab67ac..906985a 100644
--- a/tools/blisp/src/util.c
+++ b/tools/blisp/src/util.c
@@ -35,6 +35,11 @@ ssize_t util_get_binary_folder(char* buffer, uint32_t buffer_size) {
 #elif defined(__APPLE__)
   util_get_executable_path(buffer, buffer_size);
   char* pos = strrchr(buffer, '/');
+#elif __FreeBSD__
+  if (readlink("/proc/curproc/file", buffer, buffer_size) <= 0) {
+    return -1;
+  }
+  char* pos = strrchr(buffer, '/');
 #else
   if (GetModuleFileName(NULL, buffer, buffer_size) <= 0) {
     return -1;
diff --git a/tools/blisp/src/util.h b/tools/blisp/src/util.h
index f766fa9..3f0331f 100644
--- a/tools/blisp/src/util.h
+++ b/tools/blisp/src/util.h
@@ -4,9 +4,7 @@
 
 #include <stdint.h>
 
-#ifdef __linux__
-#include <unistd.h>
-#elif defined(_MSC_VER)
+#if defined(_MSC_VER)
 #include <BaseTsd.h>
 typedef SSIZE_T ssize_t;
 #include <windows.h>
@@ -15,6 +13,8 @@ typedef SSIZE_T ssize_t;
 #include <sys/syslimits.h>
 #include <assert.h>
 #include <sys/types.h>
+#else
+#include <unistd.h>
 #endif
 
 ssize_t util_get_binary_folder(char* buffer, uint32_t buffer_size);