diff --git a/inc/commander.hpp b/inc/commander.hpp
index 235b3524..ef0bcd24 100644
--- a/inc/commander.hpp
+++ b/inc/commander.hpp
@@ -42,8 +42,8 @@
 #include <windows.h>
 #endif
 
-const std::string version = "2.2.10.b";
-const std::string date = "2019-10-09";
+const std::string version = "2.2.11";
+const std::string date = "2019-10-14";
 class Commander
 {
 public:
diff --git a/src/prsice.cpp b/src/prsice.cpp
index dbb630d8..2fe19b58 100644
--- a/src/prsice.cpp
+++ b/src/prsice.cpp
@@ -803,8 +803,8 @@ void PRSice::process_cov_file(
             {
                 std::transform(token[header].begin(), token[header].end(),
                                token[header].begin(), ::toupper);
-                valid = validate_covariate(token[header], num_factors, header,
-                                           factor_level_index, missing_count);
+                valid &= validate_covariate(token[header], num_factors, header,
+                                            factor_level_index, missing_count);
             }
             if (valid)
             {