diff --git a/libjpeg.map.in b/libjpeg.map.in
index f3e7ff8a..5443943d 100644
--- a/libjpeg.map.in
+++ b/libjpeg.map.in
@@ -1,3 +1,9 @@
+LIBJPEGTURBO_@JPEG_LIB_VERSION_DECIMAL@ {
+  local:
+    jsimd_*;
+    jconst_*;
+};
+
 LIBJPEG_@JPEG_LIB_VERSION_DECIMAL@ {
   global:
     *;