diff --git a/paddle/gserver/tests/img_conv2_a.conf b/paddle/gserver/tests/img_conv2_a.conf
index cb9d0b971467508191be528f7924ec8f3c49356e..cece09e5d58b97923713c5c00b1c927ef6eee7d8 100644
--- a/paddle/gserver/tests/img_conv2_a.conf
+++ b/paddle/gserver/tests/img_conv2_a.conf
@@ -30,7 +30,7 @@ conv2 = img_conv_layer(input=data, filter_size=3, filter_size_y=3,
                       num_filters=16, stride=2,
                       bias_attr=True,
                       act=LinearActivation(),
-                      groups=1,
+                      groups=2,
                       layer_type="exconv")
                       
 outputs(conv, conv2)
diff --git a/paddle/gserver/tests/img_conv2_b.conf b/paddle/gserver/tests/img_conv2_b.conf
index db69b2068897bd3cbe5520b58617b500cef1c348..daea79e72f5c2530f7974ec9350e3b218915151e 100644
--- a/paddle/gserver/tests/img_conv2_b.conf
+++ b/paddle/gserver/tests/img_conv2_b.conf
@@ -30,7 +30,7 @@ conv2 = img_conv_layer(input=data, filter_size=3, filter_size_y=3,
                       num_filters=16, stride=2,
                       bias_attr=True,
                       act=LinearActivation(),
-                      groups=1,
+                      groups=2,
                       layer_type="cudnn_conv")
                       
 outputs(conv, conv2)