diff --git a/userspace/libsinsp/logger.cpp b/userspace/libsinsp/logger.cpp
index b8d8418d7a..919c939e34 100644
--- a/userspace/libsinsp/logger.cpp
+++ b/userspace/libsinsp/logger.cpp
@@ -36,15 +36,11 @@ const size_t ENCODE_LEN = sizeof(uint64_t);
 
 } // end namespace
 
-sinsp_logger* sinsp_logger::s_logger = nullptr;
+sinsp_logger sinsp_logger::s_logger;
 
 sinsp_logger* sinsp_logger::instance()
 {
-	if(s_logger == nullptr)
-	{
-		s_logger = new sinsp_logger();
-	}
-	return s_logger;
+	return &s_logger;
 }
 
 const uint32_t sinsp_logger::OT_NONE       = 0;
diff --git a/userspace/libsinsp/logger.h b/userspace/libsinsp/logger.h
index cd8a078ac3..250c7f0303 100644
--- a/userspace/libsinsp/logger.h
+++ b/userspace/libsinsp/logger.h
@@ -170,7 +170,7 @@ class SINSP_PUBLIC sinsp_logger
 	sinsp_logger();
 	~sinsp_logger();
 
-	static sinsp_logger* s_logger;
+	static sinsp_logger s_logger;
 
 	/** Disable copy constructor and assignment operator */
 	sinsp_logger(const sinsp_logger&) = delete;
diff --git a/userspace/libsinsp/user.cpp b/userspace/libsinsp/user.cpp
index 532764ac81..48303cc02b 100644
--- a/userspace/libsinsp/user.cpp
+++ b/userspace/libsinsp/user.cpp
@@ -302,7 +302,7 @@ scap_userinfo *sinsp_usergroup_manager::add_user(const std::string &container_id
 scap_userinfo *sinsp_usergroup_manager::add_host_user(uint32_t uid, uint32_t gid, std::string_view name, std::string_view home, std::string_view shell, bool notify)
 {
 	libsinsp_logger()->format(sinsp_logger::SEV_DEBUG,
-			"adding host user: name: %s", name);
+			"adding host user: name: %.*s", static_cast<int>(name.length()), name.data());
 
 	scap_userinfo *retval{nullptr};
 	if (name.data() != nullptr)
@@ -434,7 +434,7 @@ scap_groupinfo *sinsp_usergroup_manager::add_group(const string &container_id, i
 scap_groupinfo *sinsp_usergroup_manager::add_host_group(uint32_t gid, std::string_view name, bool notify)
 {
 	libsinsp_logger()->format(sinsp_logger::SEV_DEBUG,
-			"adding host group: name: %s", name);
+			"adding host group: name: %.*s", static_cast<int>(name.length()), name.data());
 
 	scap_groupinfo *gr = nullptr;
 	if (name.data())