diff --git a/test/data_type/test_mx_fp4.cpp b/test/data_type/test_mx_fp4.cpp
index 6ba0bc9407..eb586a50fe 100644
--- a/test/data_type/test_mx_fp4.cpp
+++ b/test/data_type/test_mx_fp4.cpp
@@ -338,9 +338,8 @@ __host__ __device__ float vec32_generator(ck::index_t i)
     }
     else
     {
-        return type_convert<float>(ck::NumericLimits<f4_t>::Max()) -
-               vec16_generator(
-                   i); // all positive values, then all negative values in descending order
+        return vec16_generator(
+            15 - (i % 16)); // all negative values, then all positive values in descending order
     }
 }
 
@@ -371,9 +370,9 @@ __global__ void test_mx_fp4x32_device_scaled_convert(float* p_test, uint64_t* p_
 
     ck::static_for<0, N / 2, 1>{}([&](auto ii) {
         p_test[i++] = type_convert<float>(
-            f4x32.AsType<f4x2_pk_t>()(ck::Number<ii>{}).template unpack<>(ck::Number<0>{}));
+            f4_t(f4x32.AsType<f4x2_pk_t>()(ck::Number<ii>{}).template unpack<>(ck::Number<0>{})));
         p_test[i++] = type_convert<float>(
-            f4x32.AsType<f4x2_pk_t>()(ck::Number<ii>{}).template unpack<>(ck::Number<1>{}));
+            f4_t(f4x32.AsType<f4x2_pk_t>()(ck::Number<ii>{}).template unpack<>(ck::Number<1>{})));
     });
 }
 
@@ -424,7 +423,7 @@ __global__ void test_mx_fp4x32_device_scaled_convert_sr(float* p_test, uint64_t*
         return;
     }
 
-    auto scale2 = e8m0_bexp_t(8.0f);
+    auto scale2 = e8m0_bexp_t(2.0f);
 
     f4x32_t f4x32{};
     float32_t float32{};