diff --git a/HISTORY b/HISTORY
index 5079504..3fc1b51 100644
--- a/HISTORY
+++ b/HISTORY
@@ -1,6 +1,7 @@
 
-Version 1.74  2024-04-08
+Version 1.74  2024-05-18
   * add functions: get_log_level and get_log_level_caption
+  * adapt to FreeBSD 13
 
 Version 1.73  2024-03-05
   * add macro FC_SET_STRING_EMPTY
diff --git a/make.sh b/make.sh
index b0b7f62..a4318c7 100755
--- a/make.sh
+++ b/make.sh
@@ -99,6 +99,7 @@ else
   CFLAGS="$CFLAGS -g -O3"
 fi
 
+INCS=''
 LIBS='-lm -ldl'
 if [ -f /usr/include/curl/curl.h ] || [ -f /usr/local/include/curl/curl.h ]; then
   CFLAGS="$CFLAGS -DUSE_LIBCURL"
@@ -121,6 +122,9 @@ elif [ "$uname" = "FreeBSD" ] || [ "$uname" = "Darwin" ]; then
   if [ "$uname" = "Darwin" ]; then
     CFLAGS="$CFLAGS -DDARWIN"
     TARGET_PREFIX=$TARGET_PREFIX/local
+  else
+    INCS="$INCS -I/usr/local/include"
+    LIBS="$LIBS -L/usr/local/lib"
   fi
 
   if [ -f /usr/include/sys/vmmeter.h ]; then
@@ -247,6 +251,7 @@ sed_replace()
 cd src
 cp Makefile.in Makefile
 sed_replace "s#\\\$(CFLAGS)#$CFLAGS#g" Makefile
+sed_replace "s#\\\$(INCS)#$INCS#g" Makefile
 sed_replace "s#\\\$(LIBS)#$LIBS#g" Makefile
 sed_replace "s#\\\$(TARGET_PREFIX)#$TARGET_PREFIX#g" Makefile
 sed_replace "s#\\\$(LIB_VERSION)#$LIB_VERSION#g" Makefile
diff --git a/src/Makefile.in b/src/Makefile.in
index ada7954..2f84906 100644
--- a/src/Makefile.in
+++ b/src/Makefile.in
@@ -1,7 +1,7 @@
 .SUFFIXES: .c .o .lo
 
 COMPILE = $(CC) $(CFLAGS)
-INC_PATH = 
+INC_PATH = $(INCS)
 LIB_PATH = $(LIBS)
 TARGET_LIB = $(TARGET_PREFIX)/$(LIB_VERSION)
 
diff --git a/src/common_define.h b/src/common_define.h
index aa416c0..3ecc508 100644
--- a/src/common_define.h
+++ b/src/common_define.h
@@ -203,10 +203,12 @@ extern int pthread_mutexattr_settype(pthread_mutexattr_t *attr, int kind);
 #define st_ctimensec st_ctim.tv_nsec
 #endif
 #elif defined(OS_FREEBSD)
+#ifndef st_atimensec
 #define st_atimensec st_atimespec.tv_nsec
 #define st_mtimensec st_mtimespec.tv_nsec
 #define st_ctimensec st_ctimespec.tv_nsec
 #endif
+#endif
 
 #ifdef __cplusplus
 extern "C" {
diff --git a/src/ioevent_loop.c b/src/ioevent_loop.c
index 6feb4f2..f1ba16e 100644
--- a/src/ioevent_loop.c
+++ b/src/ioevent_loop.c
@@ -102,7 +102,9 @@ int ioevent_loop(struct nio_thread_data *thread_data,
 	time_t last_check_time;
     int save_extra_events;
 	int count;
+#ifdef OS_LINUX
     uint32_t sched_counter;
+#endif
     bool sched_pull;
 
 	memset(&ev_notify, 0, sizeof(ev_notify));
@@ -123,7 +125,10 @@ int ioevent_loop(struct nio_thread_data *thread_data,
 	}
     thread_data->ev_puller.extra_events = save_extra_events; //restore
 
+#ifdef OS_LINUX
     sched_counter = 0;
+#endif
+
     thread_data->deleted_list = NULL;
 	last_check_time = g_current_time;
 	while (*continue_flag)
diff --git a/src/shared_func.c b/src/shared_func.c
index 2fbe0d1..9d47a65 100644
--- a/src/shared_func.c
+++ b/src/shared_func.c
@@ -2911,8 +2911,16 @@ int parseAddress(char *src, char *parts[2])
 
 int64_t get_current_time_ns()
 {
+#ifdef CLOCK_MONOTONIC_RAW
+  #define MY_NS_CLK_ID CLOCK_MONOTONIC_RAW
+#elif defined(CLOCK_MONOTONIC_PRECISE)
+  #define MY_NS_CLK_ID CLOCK_MONOTONIC_PRECISE
+#else
+  #define MY_NS_CLK_ID CLOCK_MONOTONIC
+#endif
+
     struct timespec ts;
-    if (clock_gettime(CLOCK_MONOTONIC_RAW, &ts) != 0)
+    if (clock_gettime(MY_NS_CLK_ID, &ts) != 0)
     {
         logError("file: "__FILE__", line: %d, "
                 "call clock_gettime fail, "
diff --git a/src/sockopt.c b/src/sockopt.c
index 82330ef..4cb59f0 100644
--- a/src/sockopt.c
+++ b/src/sockopt.c
@@ -2849,9 +2849,13 @@ bool tcp_socket_connected(int sock)
     struct tcp_info info;
 #else
 #include <netinet/tcp_fsm.h>
-#define TCP_INFO         TCP_CONNECTION_INFO
 #define TCP_ESTABLISHED  TCPS_ESTABLISHED
+#ifndef TCP_INFO
+    #define TCP_INFO         TCP_CONNECTION_INFO
     struct tcp_connection_info info;
+#else
+    struct tcp_info info;
+#endif
 #endif
 
     len = sizeof(info);
diff --git a/src/system_info.c b/src/system_info.c
index 75ca792..5618b89 100644
--- a/src/system_info.c
+++ b/src/system_info.c
@@ -72,7 +72,8 @@ int get_sys_total_mem_size(int64_t *mem_size)
    size_t len;
 
    mib[0] = CTL_HW;
-   mib[1] = HW_MEMSIZE;
+   //mib[1] = HW_MEMSIZE;
+   mib[1] = HW_PHYSMEM;
    len = sizeof(*mem_size);
    if (sysctl(mib, 2, mem_size, &len, NULL, 0) != 0)
    {