diff --git a/libavcodec/mathops.h b/libavcodec/mathops.h
index f81d21f9c4..c89054d6ed 100644
--- a/libavcodec/mathops.h
+++ b/libavcodec/mathops.h
@@ -24,6 +24,7 @@
 
 #include <stdint.h>
 
+#include "libavutil/attributes_internal.h"
 #include "libavutil/common.h"
 #include "config.h"
 
@@ -32,7 +33,7 @@
 extern const uint32_t ff_inverse[257];
 extern const uint8_t ff_log2_run[41];
 extern const uint8_t ff_sqrt_tab[256];
-extern const uint8_t ff_crop_tab[256 + 2 * MAX_NEG_CROP];
+extern const uint8_t attribute_visibility_hidden ff_crop_tab[256 + 2 * MAX_NEG_CROP];
 extern const uint8_t ff_zigzag_direct[64];
 extern const uint8_t ff_zigzag_scan[16+1];