diff --git a/src/osd_test.cpp b/src/osd_test.cpp
index 22799591..85276ed7 100644
--- a/src/osd_test.cpp
+++ b/src/osd_test.cpp
@@ -150,6 +150,7 @@ int connect_osd(const char *osd_address, int osd_port)
     if (connect(connect_fd, (sockaddr*)&addr, sizeof(addr)) < 0)
     {
         perror("connect");
+        close(connect_fd);
         return -1;
     }
     int one = 1;
diff --git a/src/stub_bench.cpp b/src/stub_bench.cpp
index bd741bd4..06174ba2 100644
--- a/src/stub_bench.cpp
+++ b/src/stub_bench.cpp
@@ -83,6 +83,7 @@ int connect_stub(const char *server_address, int server_port)
     if (connect(connect_fd, (sockaddr*)&addr, sizeof(addr)) < 0)
     {
         perror("connect");
+        close(connect_fd);
         return -1;
     }
     int one = 1;