diff --git a/src/image.c b/src/image.c
index 9fa47c64..71e791dd 100644
--- a/src/image.c
+++ b/src/image.c
@@ -497,12 +497,15 @@ unsigned kvz_image_calc_satd(const kvz_picture *pic,
       .pad_r = 0,
       .pad_t = 0,
       .pad_b = 0,
-      .buf = ext_buffer,
-      .ext = &ext,
-      .ext_origin = &ext_origin,
-      .ext_s = &ext_s
     };
 
+    // Initialize separately. Gets rid of warning
+    // about using nonstandard extension.
+    epol_args.buf = ext_buffer;
+    epol_args.ext = &ext;
+    epol_args.ext_origin = &ext_origin;
+    epol_args.ext_s = &ext_s;
+
     kvz_get_extended_block(&epol_args);
 
     const kvz_pixel *pic_data = &pic->y[pic_y * pic->stride + pic_x];
diff --git a/src/inter.c b/src/inter.c
index f34a2a2a..11ed73ac 100644
--- a/src/inter.c
+++ b/src/inter.c
@@ -72,12 +72,15 @@ static void inter_recon_frac_luma(const encoder_state_t *const state,
     .pad_r = KVZ_EXT_PADDING_LUMA - KVZ_LUMA_FILTER_OFFSET,
     .pad_t = KVZ_LUMA_FILTER_OFFSET,
     .pad_b = KVZ_EXT_PADDING_LUMA - KVZ_LUMA_FILTER_OFFSET + 1, // One row for AVX2
-    .buf = ext_buffer,
-    .ext = &ext,
-    .ext_origin = &ext_origin,
-    .ext_s = &ext_s
   };
 
+  // Initialize separately. Gets rid of warning
+  // about using nonstandard extension.
+  epol_args.buf = ext_buffer;
+  epol_args.ext = &ext;
+  epol_args.ext_origin = &ext_origin;
+  epol_args.ext_s = &ext_s;
+
   kvz_get_extended_block(&epol_args);
   kvz_sample_quarterpel_luma(state->encoder_control,
     ext_origin,
@@ -123,12 +126,15 @@ static void inter_recon_14bit_frac_luma(const encoder_state_t *const state,
     .pad_r = KVZ_EXT_PADDING_LUMA - KVZ_LUMA_FILTER_OFFSET,
     .pad_t = KVZ_LUMA_FILTER_OFFSET,
     .pad_b = KVZ_EXT_PADDING_LUMA - KVZ_LUMA_FILTER_OFFSET + 1, // One row for AVX2
-    .buf = ext_buffer,
-    .ext = &ext,
-    .ext_origin = &ext_origin,
-    .ext_s = &ext_s
   };
 
+  // Initialize separately. Gets rid of warning
+  // about using nonstandard extension.
+  epol_args.buf = ext_buffer;
+  epol_args.ext = &ext;
+  epol_args.ext_origin = &ext_origin;
+  epol_args.ext_s = &ext_s;
+
   kvz_get_extended_block(&epol_args);
   kvz_sample_14bit_quarterpel_luma(state->encoder_control,
     ext_origin,
@@ -177,12 +183,15 @@ static void inter_recon_frac_chroma(const encoder_state_t *const state,
     .pad_r = KVZ_EXT_PADDING_CHROMA - KVZ_CHROMA_FILTER_OFFSET,
     .pad_t = KVZ_CHROMA_FILTER_OFFSET,
     .pad_b = KVZ_EXT_PADDING_CHROMA - KVZ_CHROMA_FILTER_OFFSET + 3, // Three rows for AVX2
-    .buf = ext_buffer,
-    .ext = &ext,
-    .ext_origin = &ext_origin,
-    .ext_s = &ext_s
   };
 
+  // Initialize separately. Gets rid of warning
+  // about using nonstandard extension.
+  epol_args.buf = ext_buffer;
+  epol_args.ext = &ext;
+  epol_args.ext_origin = &ext_origin;
+  epol_args.ext_s = &ext_s;
+
   kvz_get_extended_block(&epol_args);
   kvz_sample_octpel_chroma(state->encoder_control,
     ext_origin,
@@ -245,12 +254,15 @@ static void inter_recon_14bit_frac_chroma(const encoder_state_t *const state,
     .pad_r = KVZ_EXT_PADDING_CHROMA - KVZ_CHROMA_FILTER_OFFSET,
     .pad_t = KVZ_CHROMA_FILTER_OFFSET,
     .pad_b = KVZ_EXT_PADDING_CHROMA - KVZ_CHROMA_FILTER_OFFSET + 3, // Three rows for AVX2
-    .buf = ext_buffer,
-    .ext = &ext,
-    .ext_origin = &ext_origin,
-    .ext_s = &ext_s
   };
 
+  // Initialize separately. Gets rid of warning
+  // about using nonstandard extension.
+  epol_args.buf = ext_buffer;
+  epol_args.ext = &ext;
+  epol_args.ext_origin = &ext_origin;
+  epol_args.ext_s = &ext_s;
+
   kvz_get_extended_block(&epol_args);
   kvz_sample_14bit_octpel_chroma(state->encoder_control,
     ext_origin,
diff --git a/src/search_inter.c b/src/search_inter.c
index 0fcd70c6..81e6fb92 100644
--- a/src/search_inter.c
+++ b/src/search_inter.c
@@ -1032,12 +1032,15 @@ static void search_frac(inter_search_info_t *info)
     .pad_r = KVZ_EXT_PADDING_LUMA - KVZ_LUMA_FILTER_OFFSET,
     .pad_t = KVZ_LUMA_FILTER_OFFSET,
     .pad_b = KVZ_EXT_PADDING_LUMA - KVZ_LUMA_FILTER_OFFSET + 1, // One row for AVX2
-    .buf = ext_buffer,
-    .ext = &ext,
-    .ext_origin = &ext_origin,
-    .ext_s = &ext_s
   };
 
+  // Initialize separately. Gets rid of warning
+  // about using nonstandard extension.
+  epol_args.buf = ext_buffer;
+  epol_args.ext = &ext;
+  epol_args.ext_origin = &ext_origin;
+  epol_args.ext_s = &ext_s;
+
   kvz_get_extended_block(&epol_args);
 
   kvz_pixel *tmp_pic = pic->y + orig.y * pic->stride + orig.x;