diff --git a/src/hms123311.c b/src/hms123311.c
index d643d1ea770e36fc7e970c0482c8bb2fafa082af..e50d188632b5fe0be51ba04fa8f92c85d9b2fa72 100644
--- a/src/hms123311.c
+++ b/src/hms123311.c
@@ -144,6 +144,7 @@ HMS_connect (const char *format, ...)
 
 	curl_easy_setopt(curl, CURLOPT_URL, url);
 	curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1L);
+	curl_easy_setopt(curl, CURLOPT_IPRESOLVE, CURL_IPRESOLVE_V4);
 
 	curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, HMS_on_read);
 	curl_easy_setopt(curl, CURLOPT_WRITEDATA, buffer);