diff --git a/android/hal-ipc.c b/android/hal-ipc.c
index 8e817c9..5bef281 100644
--- a/android/hal-ipc.c
+++ b/android/hal-ipc.c
@@ -401,7 +401,7 @@ int hal_ipc_cmd(uint8_t service_id, uint8_t opcode, uint16_t len, void *param,
 	}
 
 	if (cmd.service_id != service_id) {
-		error("Invalid service id (%u vs %u), aborting",
+		error("Invalid service id (0x%x vs 0x%x), aborting",
 						cmd.service_id, service_id);
 		exit(EXIT_FAILURE);
 	}
@@ -412,7 +412,7 @@ int hal_ipc_cmd(uint8_t service_id, uint8_t opcode, uint16_t len, void *param,
 	}
 
 	if (cmd.opcode != opcode && cmd.opcode != HAL_OP_STATUS) {
-		error("Invalid opcode received (%u vs %u), aborting",
+		error("Invalid opcode received (0x%x vs 0x%x), aborting",
 						cmd.opcode, opcode);
 		exit(EXIT_FAILURE);
 	}