diff --git a/adl.c b/adl.c
index 323f1e8a..0470445b 100644
--- a/adl.c
+++ b/adl.c
@@ -896,7 +896,7 @@ static void fan_autotune(int gpu, int temp, int fanpercent, bool *fan_optimal)
 
 void gpu_autotune(int gpu, bool *enable)
 {
-	int temp, fanpercent, engine, newengine, twintemp;
+	int temp, fanpercent, engine, newengine, twintemp = 0;
 	bool fan_optimal = true;
 	struct cgpu_info *cgpu;
 	struct gpu_adl *ga;
diff --git a/api.c b/api.c
index 59e82072..ed171370 100644
--- a/api.c
+++ b/api.c
@@ -322,7 +322,7 @@ struct CODES {
  { SEVERITY_ERR,   MSG_MISVAL,	PARAM_NONE,	"Missing comma after GPU number" },
  { SEVERITY_ERR,   MSG_NOADL,	PARAM_NONE,	"ADL is not available" },
  { SEVERITY_ERR,   MSG_NOGPUADL,PARAM_GPU,	"GPU %d does not have ADL" },
- { SEVERITY_ERR,   MSG_INVINT,	PARAM_STR,	"Invalid intensity (%s) - must be '" _DYNAMIC  "' or range -10 - 10" },
+ { SEVERITY_ERR,   MSG_INVINT,	PARAM_STR,	"Invalid intensity (%s) - must be '" _DYNAMIC  "' or range " _MIN_INTENSITY_STR " - " _MAX_INTENSITY_STR },
  { SEVERITY_INFO,  MSG_GPUINT,	PARAM_BOTH,	"GPU %d set new intensity to %s" },
  { SEVERITY_SUCC,  MSG_MINECON, PARAM_NONE,	"CGMiner config" },
  { SEVERITY_ERR,   MSG_GPUMERR,	PARAM_BOTH,	"Setting GPU %d memoryclock to (%s) reported failure" },
@@ -999,7 +999,7 @@ static void gpuintensity(SOCKETTYPE c, char *param, bool isjson)
 	}
 	else {
 		intensity = atoi(value);
-		if (intensity < -10 || intensity > 10) {
+		if (intensity < MIN_INTENSITY || intensity > MAX_INTENSITY) {
 			strcpy(io_buffer, message(MSG_INVINT, 0, value, isjson));
 			return;
 		}
diff --git a/main.c b/main.c
index e9f36547..bd57407f 100644
--- a/main.c
+++ b/main.c
@@ -1452,7 +1452,7 @@ static char *set_intensity(char *arg)
 	else {
 		gpus[device].dynamic = false;
 		val = atoi(nextptr);
-		if (val < -10 || val > 14)
+		if (val < MIN_INTENSITY || val > MAX_INTENSITY)
 			return "Invalid value passed to set intensity";
 		tt = &gpus[device].intensity;
 		*tt = val;
@@ -1466,7 +1466,7 @@ static char *set_intensity(char *arg)
 		else {
 			gpus[device].dynamic = false;
 			val = atoi(nextptr);
-			if (val < -10 || val > 14)
+			if (val < MIN_INTENSITY || val > MAX_INTENSITY)
 				return "Invalid value passed to set intensity";
 
 			tt = &gpus[device].intensity;
@@ -1605,7 +1605,7 @@ static struct opt_table opt_config_table[] = {
 #endif
 	OPT_WITH_ARG("--intensity|-I",
 		     set_intensity, NULL, NULL,
-		     "Intensity of GPU scanning (d or -10 -> 14, default: d to maintain desktop interactivity)"),
+		     "Intensity of GPU scanning (d or " _MIN_INTENSITY_STR " -> " _MAX_INTENSITY_STR ", default: d to maintain desktop interactivity)"),
 	OPT_WITH_ARG("--kernel-path|-K",
 		     opt_set_charp, opt_show_charp, &opt_kernel_path,
 	             "Specify a path to where the kernel .cl files are"),
@@ -3721,7 +3721,7 @@ retry:
 			wlogprint("Invalid selection\n");
 			goto retry;
 		}
-		intvar = curses_input("Set GPU scan intensity (d or -10 -> 10)");
+		intvar = curses_input("Set GPU scan intensity (d or " _MIN_INTENSITY_STR " -> " _MAX_INTENSITY_STR ")");
 		if (!intvar) {
 			wlogprint("Invalid input\n");
 			goto retry;
@@ -3734,7 +3734,7 @@ retry:
 		}
 		intensity = atoi(intvar);
 		free(intvar);
-		if (intensity < -10 || intensity > 10) {
+		if (intensity < MIN_INTENSITY || intensity > MAX_INTENSITY) {
 			wlogprint("Invalid selection\n");
 			goto retry;
 		}
@@ -5742,10 +5742,10 @@ static uint64_t opencl_scanhash(struct thr_info *thr, struct work *work, uint64_
 		 * increase intensity when the system is idle, unless
 		 * dynamic is disabled. */
 		if (gpu_ms_average > 7) {
-			if (gpu->intensity > -10)
+			if (gpu->intensity > MIN_INTENSITY)
 				--gpu->intensity;
 		} else if (gpu_ms_average < 3) {
-			if (gpu->intensity < 10)
+			if (gpu->intensity < MAX_INTENSITY)
 				++gpu->intensity;
 		}
 	}
diff --git a/miner.h b/miner.h
index 777088a4..50060642 100644
--- a/miner.h
+++ b/miner.h
@@ -545,6 +545,11 @@ extern void api(void);
 #define MAX_DEVICES 32
 #define MAX_POOLS (32)
 
+#define MIN_INTENSITY -10
+#define _MIN_INTENSITY_STR "-10"
+#define MAX_INTENSITY 14
+#define _MAX_INTENSITY_STR "14"
+
 extern struct list_head scan_devices;
 extern int nDevs;
 extern int opt_n_threads;