diff --git a/libc/bionic/system.cpp b/libc/bionic/system.cpp
index 950f05c..93d7497 100644
--- a/libc/bionic/system.cpp
+++ b/libc/bionic/system.cpp
@@ -56,7 +56,7 @@
   if ((errno = posix_spawnattr_setsigmask64(&attributes, &sigchld_blocker.old_set_))) return -1;
   if ((errno = posix_spawnattr_setflags(&attributes, flags))) return -1;
 
-  const char* argv[] = { "sh", "-c", command, nullptr };
+  const char* argv[] = {"sh", "-c", "--", command, nullptr};
   pid_t child;
   if ((errno = posix_spawn(&child, __bionic_get_shell_path(), nullptr, &attributes,
                            const_cast<char**>(argv), environ)) != 0) {
diff --git a/libc/stdio/stdio.cpp b/libc/stdio/stdio.cpp
index c429ff2..08df2eb 100644
--- a/libc/stdio/stdio.cpp
+++ b/libc/stdio/stdio.cpp
@@ -1219,7 +1219,7 @@
     if (dup2(fds[child], desired_child_fd) == -1) _exit(127);
     close(fds[child]);
     if (bidirectional) dup2(STDOUT_FILENO, STDIN_FILENO);
-    execl(__bionic_get_shell_path(), "sh", "-c", cmd, nullptr);
+    execl(__bionic_get_shell_path(), "sh", "-c", "--", cmd, nullptr);
     _exit(127);
   }
 
diff --git a/tests/stdlib_test.cpp b/tests/stdlib_test.cpp
index 6679480..6dbd741 100644
--- a/tests/stdlib_test.cpp
+++ b/tests/stdlib_test.cpp
@@ -496,6 +496,30 @@
   ASSERT_NE(0, system(nullptr));
 }
 
+// https://austingroupbugs.net/view.php?id=1440
+TEST(stdlib, system_minus) {
+  // Create a script with a name that starts with a '-'.
+  TemporaryDir td;
+  std::string script = std::string(td.path) + "/-minus";
+  ASSERT_TRUE(android::base::WriteStringToFile("#!" BIN_DIR "sh\nexit 66\n", script));
+
+  // Set $PATH so we can find it.
+  setenv("PATH", td.path, 1);
+  // Make it executable so we can run it.
+  ASSERT_EQ(0, chmod(script.c_str(), 0555));
+
+  int status = system("-minus");
+  EXPECT_TRUE(WIFEXITED(status));
+  EXPECT_EQ(66, WEXITSTATUS(status));
+
+  // While we're here and have all the setup, let's test popen(3) too...
+  FILE* fp = popen("-minus", "r");
+  ASSERT_TRUE(fp != nullptr);
+  status = pclose(fp);
+  EXPECT_TRUE(WIFEXITED(status));
+  EXPECT_EQ(66, WEXITSTATUS(status));
+}
+
 TEST(stdlib, atof) {
   ASSERT_DOUBLE_EQ(1.23, atof("1.23"));
 }