diff --git a/inst/include/epiworld/tool-meat.hpp b/inst/include/epiworld/tool-meat.hpp
index a4925c55..6d2180a7 100644
--- a/inst/include/epiworld/tool-meat.hpp
+++ b/inst/include/epiworld/tool-meat.hpp
@@ -490,10 +490,10 @@ inline void Tool<TSeq>::print() const
 
     printf_epiworld("Tool           : %s\n", tool_name->c_str());
     printf_epiworld("Id             : %s\n", (id < 0)? std::string("(empty)").c_str() : std::to_string(id).c_str());
-    printf_epiworld("state_init    : %i\n", state_init);
-    printf_epiworld("state_post    : %i\n", state_post);
-    printf_epiworld("queue_init     : %i\n", queue_init);
-    printf_epiworld("queue_post     : %i\n", queue_post);
+    printf_epiworld("state_init    : %i\n", static_cast<int>(state_init));
+    printf_epiworld("state_post    : %i\n", static_cast<int>(state_post));
+    printf_epiworld("queue_init     : %i\n", static_cast<int>(queue_init));
+    printf_epiworld("queue_post     : %i\n", static_cast<int>(queue_post));
 
 }
 
diff --git a/inst/include/epiworld/virus-meat.hpp b/inst/include/epiworld/virus-meat.hpp
index c0fae7a1..1850f295 100644
--- a/inst/include/epiworld/virus-meat.hpp
+++ b/inst/include/epiworld/virus-meat.hpp
@@ -677,12 +677,12 @@ inline void Virus<TSeq>::print() const
 
     printf_epiworld("Virus          : %s\n", virus_name->c_str());
     printf_epiworld("Id             : %s\n", (id < 0)? std::string("(empty)").c_str() : std::to_string(id).c_str());
-    printf_epiworld("state_init    : %i\n", state_init);
-    printf_epiworld("state_post    : %i\n", state_post);
-    printf_epiworld("state_removed : %i\n", state_removed);
-    printf_epiworld("queue_init     : %i\n", queue_init);
-    printf_epiworld("queue_post     : %i\n", queue_post);
-    printf_epiworld("queue_removed  : %i\n", queue_removed);
+    printf_epiworld("state_init    : %i\n", static_cast<int>(state_init));
+    printf_epiworld("state_post    : %i\n", static_cast<int>(state_post));
+    printf_epiworld("state_removed : %i\n", static_cast<int>(state_removed));
+    printf_epiworld("queue_init     : %i\n", static_cast<int>(queue_init));
+    printf_epiworld("queue_post     : %i\n", static_cast<int>(queue_post));
+    printf_epiworld("queue_removed  : %i\n", static_cast<int>(queue_removed));
 
 }