diff --git a/Android.bp b/Android.bp
index ec57ba7..d7e0eb0 100644
--- a/Android.bp
+++ b/Android.bp
@@ -109,6 +109,7 @@
         "-O2",
         "-DANDROID",
         "-DWEBP_SWAP_16BIT_CSP",
+        "-DWEBP_USE_THREAD",
         "-Wall",
         "-Werror",
     ],
@@ -205,6 +206,7 @@
         "-O2",
         "-DANDROID",
         "-DWEBP_SWAP_16BIT_CSP",
+        "-DWEBP_USE_THREAD",
         "-Wall",
         "-Werror",
     ],