diff --git a/src/encoder.c b/src/encoder.c
index 69cd009a..95f6ce1f 100644
--- a/src/encoder.c
+++ b/src/encoder.c
@@ -45,6 +45,7 @@
 double g_lambda_cost[55];
 double g_cur_lambda_cost;
 uint32_t* g_sig_last_scan[3][7];
+int8_t g_convert_to_bit[LCU_WIDTH + 1];
 
 /* Local functions. */
 static void add_checksum(encoder_control* encoder);
diff --git a/src/encoder.h b/src/encoder.h
index 57f425d0..4fd369e8 100644
--- a/src/encoder.h
+++ b/src/encoder.h
@@ -130,7 +130,7 @@ void encode_block_residual(encoder_control *encoder,
 extern double g_lambda_cost[55];
 extern double g_cur_lambda_cost;
 extern uint32_t* g_sig_last_scan[3][7];
-int8_t g_convert_to_bit[LCU_WIDTH + 1];
+extern int8_t g_convert_to_bit[LCU_WIDTH + 1];
 static int8_t g_bitdepth     = 8;
 static int8_t g_bit_increment = 0;