diff --git a/tests/test-backend-ops.cpp b/tests/test-backend-ops.cpp
index 55ce14e0d..3eec0554c 100644
--- a/tests/test-backend-ops.cpp
+++ b/tests/test-backend-ops.cpp
@@ -1481,6 +1481,7 @@ static bool test_backend(ggml_backend_t backend, test_mode mode, const char * op
         GGML_TYPE_Q4_K, GGML_TYPE_Q5_K,
         GGML_TYPE_Q6_K,
         GGML_TYPE_IQ2_XXS, GGML_TYPE_IQ2_XS,
+        GGML_TYPE_IQ3_XXS,
     };
 
     // unary ops