diff --git a/miscutils/i2c_tools.c b/miscutils/i2c_tools.c
index 57bb72a..7731466 100644
--- a/miscutils/i2c_tools.c
+++ b/miscutils/i2c_tools.c
@@ -908,7 +908,7 @@
 
 	int bus_num, bus_addr, mode = I2C_SMBUS_BYTE_DATA, even = 0, pec = 0;
 	unsigned first = 0x00, last = 0xff, opts;
-	int *block = (int *)bb_common_bufsiz1;
+	int block[I2CDUMP_NUM_REGS];
 	char *opt_r_str, *dash;
 	int fd, res;