diff --git a/src/enc/picture.c b/src/enc/picture.c
index e1e72c74..26679a72 100644
--- a/src/enc/picture.c
+++ b/src/enc/picture.c
@@ -39,7 +39,6 @@ int WebPPictureInitInternal(WebPPicture* picture, int version) {
     memset(picture, 0, sizeof(*picture));
     picture->writer = DummyWriter;
     WebPEncodingSetError(picture, VP8_ENC_OK);
-    VP8EncDspARGBInit();
   }
   return 1;
 }
diff --git a/src/enc/picture_csp.c b/src/enc/picture_csp.c
index 5a1f8de8..4524953c 100644
--- a/src/enc/picture_csp.c
+++ b/src/enc/picture_csp.c
@@ -1060,6 +1060,8 @@ static int Import(WebPPicture* const picture,
   }
   if (!WebPPictureAlloc(picture)) return 0;
 
+  VP8EncDspARGBInit();
+
   assert(step >= (import_alpha ? 4 : 3));
   if (import_alpha) {
     for (y = 0; y < height; ++y) {