diff --git a/lib/one_wire/ibutton/protocols/dallas/dallas_common.c b/lib/one_wire/ibutton/protocols/dallas/dallas_common.c
index 22b25db84..ebf57e555 100644
--- a/lib/one_wire/ibutton/protocols/dallas/dallas_common.c
+++ b/lib/one_wire/ibutton/protocols/dallas/dallas_common.c
@@ -85,7 +85,7 @@ bool dallas_common_read_mem(OneWireHost* host, uint16_t address, uint8_t* data,
     onewire_host_write(host, DALLAS_COMMON_CMD_READ_MEM);
 
     onewire_host_write(host, (uint8_t)address);
-    onewire_host_write(host, (uint8_t)(address > BITS_IN_BYTE));
+    onewire_host_write(host, (uint8_t)(address >> BITS_IN_BYTE));
 
     onewire_host_read_bytes(host, data, (uint16_t)data_size);