diff --git a/candle-transformers/src/models/wuerstchen/diffnext.rs b/candle-transformers/src/models/wuerstchen/diffnext.rs
index 33ca192e..74e1836c 100644
--- a/candle-transformers/src/models/wuerstchen/diffnext.rs
+++ b/candle-transformers/src/models/wuerstchen/diffnext.rs
@@ -101,10 +101,39 @@ impl WDiffNeXt {
         const BLOCKS: [usize; 4] = [4, 4, 14, 4];
         const NHEAD: [usize; 4] = [0, 10, 20, 20];
         const INJECT_EFFNET: [bool; 4] = [false, true, true, true];
+        const EFFNET_EMBD: usize = 16;
 
         let clip_mapper = candle_nn::linear(clip_embd, c_cond, vb.pp("clip_mapper"))?;
-        // TODO: populate effnet_mappers
-        let effnet_mappers = vec![];
+        let mut effnet_mappers = Vec::with_capacity(2 * INJECT_EFFNET.len());
+        let vb_e = vb.pp("effnet_mappers");
+        for (i, &inject) in INJECT_EFFNET.iter().enumerate() {
+            let c = if inject {
+                Some(candle_nn::conv2d(
+                    EFFNET_EMBD,
+                    c_cond,
+                    1,
+                    Default::default(),
+                    vb_e.pp(i),
+                )?)
+            } else {
+                None
+            };
+            effnet_mappers.push(c)
+        }
+        for (i, &inject) in INJECT_EFFNET.iter().rev().enumerate() {
+            let c = if inject {
+                Some(candle_nn::conv2d(
+                    EFFNET_EMBD,
+                    c_cond,
+                    1,
+                    Default::default(),
+                    vb_e.pp(i + INJECT_EFFNET.len()),
+                )?)
+            } else {
+                None
+            };
+            effnet_mappers.push(c)
+        }
         let cfg = candle_nn::layer_norm::LayerNormConfig {
             ..Default::default()
         };