2 files changed, 6 insertions, 2 deletions
diff --git a/Swiften/Client/ClientSession.h b/Swiften/Client/ClientSession.h
index 6ef624e..4b944fc 100644
--- a/Swiften/Client/ClientSession.h
+++ b/Swiften/Client/ClientSession.h
@@ -94,7 +94,9 @@ namespace Swift {
 
 
 			bool getStreamManagementEnabled() const {
-				return stanzaAckRequester_;
+				// Explicitly convert to bool. In C++11, it would be cleaner to
+				// compare to nullptr.
+				return static_cast<bool>(stanzaAckRequester_);
 			}
 
 			bool getRosterVersioningSupported() const {
diff --git a/Swiften/Elements/Message.h b/Swiften/Elements/Message.h
index 3b9145c..ea99814 100644
--- a/Swiften/Elements/Message.h
+++ b/Swiften/Elements/Message.h
@@ -38,8 +38,10 @@ namespace Swift {
 				updatePayload(boost::make_shared<Subject>(subject));
 			}
 
+			// Explicitly convert to bool. In C++11, it would be cleaner to
+			// compare to nullptr.
 			bool hasSubject() {
-				return getPayload<Subject>();
+				return static_cast<bool>(getPayload<Subject>());
 			}
 
 			std::string getBody() const {