diff --git a/src/vmime/platforms/posix/posixSocket.cpp b/src/vmime/platforms/posix/posixSocket.cpp
index 13b2d85d..d657d4d5 100644
--- a/src/vmime/platforms/posix/posixSocket.cpp
+++ b/src/vmime/platforms/posix/posixSocket.cpp
@@ -435,7 +435,9 @@ void posixSocket::resolve(struct ::addrinfo** addrInfo, const vmime::string& add
 		{
 			if (gaiError == EAI_SYSTEM)
 			{
-				if (errno != 0)
+				const int ret = gai_error(&gaiRequest);
+
+				if (ret != EAI_INPROGRESS && errno != 0)
 				{
 					try
 					{