diff --git a/src/local.c b/src/local.c
index f3d11e8c..348b9c7d 100644
--- a/src/local.c
+++ b/src/local.c
@@ -1018,7 +1018,7 @@ int main(int argc, char **argv)
     }
 
     if (local_addr == NULL) {
-        local_addr = "0.0.0.0";
+        local_addr = "127.0.0.1";
     }
 
     if (pid_flags) {
@@ -1162,7 +1162,7 @@ int start_ss_local_server(profile_t profile)
     }
 
     if (local_addr == NULL) {
-        local_addr = "0.0.0.0";
+        local_addr = "127.0.0.1";
     }
 
 #ifdef __MINGW32__
diff --git a/src/redir.c b/src/redir.c
index caa8213b..931554b8 100644
--- a/src/redir.c
+++ b/src/redir.c
@@ -693,7 +693,7 @@ int main(int argc, char **argv)
     }
 
     if (local_addr == NULL) {
-        local_addr = "0.0.0.0";
+        local_addr = "127.0.0.1";
     }
 
     if (pid_flags) {
diff --git a/src/tunnel.c b/src/tunnel.c
index b1bd5061..2959f940 100644
--- a/src/tunnel.c
+++ b/src/tunnel.c
@@ -747,7 +747,7 @@ int main(int argc, char **argv)
     }
 
     if (local_addr == NULL) {
-        local_addr = "0.0.0.0";
+        local_addr = "127.0.0.1";
     }
 
     if (pid_flags) {