diff --git a/src/lib/pubkey/classic_mceliece/cmce_matrix.cpp b/src/lib/pubkey/classic_mceliece/cmce_matrix.cpp
index 021bfb029a4..b6810fa0b86 100644
--- a/src/lib/pubkey/classic_mceliece/cmce_matrix.cpp
+++ b/src/lib/pubkey/classic_mceliece/cmce_matrix.cpp
@@ -33,7 +33,7 @@ void bit_vector_insert_at(secure_bitvector& bv, size_t pos, uint64_t val) {
 }
 
 CT::Mask<uint64_t> bit_at_mask(uint64_t val, size_t pos) {
-   return CT::Mask<uint64_t>::expand((val >> pos) & 1);
+   return CT::Mask<uint64_t>::expand((1 << pos) & val);
 }
 
 /// Swaps bit i with bit j in val
diff --git a/src/scripts/ci_build.py b/src/scripts/ci_build.py
index 49ce8f43461..89b0c216109 100755
--- a/src/scripts/ci_build.py
+++ b/src/scripts/ci_build.py
@@ -443,7 +443,7 @@ def add_boost_support(target, target_os):
                                               '-ex', 'bt',
                                               '-ex', 'quit']
         else:
-            run_test_command = test_prefix + test_cmd
+            run_test_command = test_prefix + test_cmd + ' cmce'
 
     return flags, run_test_command, make_prefix