diff --git a/src/affinity.c b/src/affinity.c
index edd62e86b..d0163a95c 100644
--- a/src/affinity.c
+++ b/src/affinity.c
@@ -41,6 +41,7 @@ static int pthread_setaffinity_np (pthread_t thread, size_t cpu_size, cpu_set_t
 #endif
 
 #if defined (__FreeBSD__)
+#include <pthread_np.h>
 typedef cpuset_t cpu_set_t;
 #endif
 
diff --git a/src/folder.c b/src/folder.c
index 6b2b636d1..d7d504baa 100644
--- a/src/folder.c
+++ b/src/folder.c
@@ -50,6 +50,8 @@ static int get_exec_path (char *exec_path, const size_t exec_path_sz)
 
   #elif defined (__FreeBSD__)
 
+  #include <sys/sysctl.h>
+
   int mib[4];
 
   mib[0] = CTL_KERN;
diff --git a/src/hwmon.c b/src/hwmon.c
index 41cc650e6..a4eb9bd31 100644
--- a/src/hwmon.c
+++ b/src/hwmon.c
@@ -1358,7 +1358,14 @@ static int hm_XNVCTRL_get_fan_control (hashcat_ctx_t *hashcat_ctx, const int gpu
 
   if (rc == false)
   {
-    event_log_error (hashcat_ctx, "XNVCTRLQueryTargetAttribute(NV_CTRL_GPU_COOLER_MANUAL_CONTROL) failed");
+    event_log_error (hashcat_ctx, "XNVCTRLQueryTargetAttribute() failed");
+
+    // help the user to fix the problem
+
+    event_log_warning (hashcat_ctx, "This error typically occurs when you did not setup NVidia Coolbits.");
+    event_log_warning (hashcat_ctx, "Run the following command to fix: sudo nvidia-xconfig --cool-bits=12");
+    event_log_warning (hashcat_ctx, "Do not forget to restart X afterwards.");
+    event_log_warning (hashcat_ctx, "");
 
     return -1;
   }
@@ -2837,6 +2844,7 @@ int hm_get_fanpolicy_with_device_id (hashcat_ctx_t *hashcat_ctx, const u32 devic
         if (hm_ADL_Overdrive5_FanSpeed_Get (hashcat_ctx, hwmon_ctx->hm_device[device_id].adl, 0, &lpFanSpeedValue) == -1)
         {
           hwmon_ctx->hm_device[device_id].fanpolicy_get_supported = false;
+          hwmon_ctx->hm_device[device_id].fanspeed_get_supported  = false;
 
           return -1;
         }
@@ -2861,6 +2869,7 @@ int hm_get_fanpolicy_with_device_id (hashcat_ctx_t *hashcat_ctx, const u32 devic
   }
 
   hwmon_ctx->hm_device[device_id].fanpolicy_get_supported = false;
+  hwmon_ctx->hm_device[device_id].fanspeed_get_supported  = false;
 
   return -1;
 }
@@ -3415,7 +3424,7 @@ int hm_set_fanspeed_with_device_id_xnvctrl (hashcat_ctx_t *hashcat_ctx, const u3
 
   if (hwmon_ctx->enabled == false) return -1;
 
-  if (hwmon_ctx->hm_device[device_id].fanspeed_set_supported == false) return -1;
+  if (hwmon_ctx->hm_device[device_id].fanspeed_set_supported  == false) return -1;
 
   if (hwmon_ctx->hm_xnvctrl)
   {
@@ -3472,6 +3481,7 @@ static int hm_set_fanctrl_with_device_id_xnvctrl (hashcat_ctx_t *hashcat_ctx, co
     if (hm_XNVCTRL_set_fan_control (hashcat_ctx, hwmon_ctx->hm_device[device_id].xnvctrl, val) == -1)
     {
       hwmon_ctx->hm_device[device_id].fanpolicy_set_supported = false;
+      hwmon_ctx->hm_device[device_id].fanspeed_set_supported  = false;
 
       return -1;
     }
@@ -3480,6 +3490,7 @@ static int hm_set_fanctrl_with_device_id_xnvctrl (hashcat_ctx_t *hashcat_ctx, co
   }
 
   hwmon_ctx->hm_device[device_id].fanpolicy_set_supported = false;
+  hwmon_ctx->hm_device[device_id].fanspeed_set_supported  = false;
 
   return -1;
 }
@@ -3497,6 +3508,7 @@ static int hm_set_fanctrl_with_device_id_sysfs (hashcat_ctx_t *hashcat_ctx, cons
     if (hm_SYSFS_set_fan_control (hashcat_ctx, device_id, val) == -1)
     {
       hwmon_ctx->hm_device[device_id].fanpolicy_set_supported = false;
+      hwmon_ctx->hm_device[device_id].fanspeed_set_supported  = false;
 
       return -1;
     }
@@ -3505,6 +3517,7 @@ static int hm_set_fanctrl_with_device_id_sysfs (hashcat_ctx_t *hashcat_ctx, cons
   }
 
   hwmon_ctx->hm_device[device_id].fanpolicy_set_supported = false;
+  hwmon_ctx->hm_device[device_id].fanspeed_set_supported  = false;
 
   return -1;
 }
diff --git a/src/monitor.c b/src/monitor.c
index 5405b03e5..4520b5b74 100644
--- a/src/monitor.c
+++ b/src/monitor.c
@@ -61,7 +61,7 @@ static int monitor (hashcat_ctx_t *hashcat_ctx)
 
   const int   sleep_time      = 1;
   const int   temp_threshold  = 1;      // degrees celcius
-  const int   fan_speed_min   = 20;     // in percentage
+  const int   fan_speed_min   = 33;     // in percentage
   const int   fan_speed_max   = 100;
   const float exec_low        = 50.0f;  // in ms
   const float util_low        = 90.0f;  // in percent