diff --git a/src/amdgpufand.c b/src/amdgpufand.c
index ebb013a..eb0c4f9 100644
--- a/src/amdgpufand.c
+++ b/src/amdgpufand.c
@@ -216,11 +216,11 @@ int probe_cards()
 	for(i=0;i<cardnum;i++)
 	{
 		int fd;
-		char pathh[255];
+		char pathh[300];
 		sprintf(pathh, "/sys/class/hwmon/%s",epsc[i]->d_name);
 		if(isamdgpu(pathh) ==0 && card<MAX_CARDS )
 		{
-			char buffer[255],buf[6];
+			char buffer[300],buf[6];
 			sprintf(buffer, "/sys/class/hwmon/%s/pwm1",epsc[i]->d_name);
 			cards[card].pwmfd = open(buffer,O_RDWR);
 			if(cards[card].pwmfd<0)