diff --git a/lib/connect.c b/lib/connect.c
index de78c33e204a0636633114723040c3d4321e7612..826ec251d997c032142de178b17e6f5b712f9c0b 100644
--- a/lib/connect.c
+++ b/lib/connect.c
@@ -551,7 +551,7 @@ static CURLcode trynextip(struct connectdata *conn,
 
   if(sockindex == FIRSTSOCKET) {
     Curl_addrinfo *ai = NULL;
-    int family;
+    int family = AF_UNSPEC;
 
     if(conn->tempaddr[tempindex]) {
       /* find next address in the same protocol family */
diff --git a/lib/easy.c b/lib/easy.c
index 078e9cb1e4178555309d3694e24f8240c81b2696..160712e8f38e5ba9590413848473be0ce9083efa 100644
--- a/lib/easy.c
+++ b/lib/easy.c
@@ -674,7 +674,7 @@ static CURLcode easy_transfer(CURLM *multi)
                            curl_multi_wait() without any filedescriptors */
 
   while(!done && !mcode) {
-    int still_running;
+    int still_running = 0;
     int ret;
 
     before = curlx_tvnow();
diff --git a/lib/url.c b/lib/url.c
index 5209c8dce1544225eddf1edc323c60930f2d7c43..e09a11a43e8b09152f3def9a5e5779b93b6b89bc 100644
--- a/lib/url.c
+++ b/lib/url.c
@@ -5137,7 +5137,7 @@ static CURLcode create_conn(struct SessionHandle *data,
   char *proxy = NULL;
   bool prot_missing = FALSE;
   bool no_connections_available = FALSE;
-  bool force_reuse;
+  bool force_reuse = FALSE;
   size_t max_host_connections = Curl_multi_max_host_connections(data->multi);
   size_t max_total_connections = Curl_multi_max_total_connections(data->multi);