diff --git a/dabnn/layers/BinConv.cpp b/dabnn/layers/BinConv.cpp
index ccf7ff1..a818903 100644
--- a/dabnn/layers/BinConv.cpp
+++ b/dabnn/layers/BinConv.cpp
@@ -83,11 +83,13 @@ BinConv::Method BinConv::method() const {
             return Method::DIRECT_CONV;
         } else if (gemm_compatible()) {
             return Method::BGEMM;
-        } else {
+        } else if (input_mat->elem_c == 64) {
             return Method::BCONV_NAIVE;
+        } else {
+            return Method::BGEMM_NAIVE;
         }
     } else {
-        if (weight_mat->c == 1) {
+        if (input_mat->elem_c == 64) {
             return Method::BCONV_NAIVE;
         } else {
             return Method::BGEMM_NAIVE;