diff --git a/cfg/posix.cfg b/cfg/posix.cfg
index c1064ba86..01a839572 100644
--- a/cfg/posix.cfg
+++ b/cfg/posix.cfg
@@ -179,6 +179,14 @@
     </arg>
     <leak-ignore/>
   </function>
+  <function name="rewinddir">
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-null/>
+      <not-uninit/>
+    </arg>
+    <leak-ignore/>
+  </function>
   <function name="rand_r">
     <noreturn>false</noreturn>
     <leak-ignore/>
diff --git a/test/testmemleak.cpp b/test/testmemleak.cpp
index 0aaaeb96b..afd8e2f94 100644
--- a/test/testmemleak.cpp
+++ b/test/testmemleak.cpp
@@ -331,6 +331,7 @@ private:
         TEST_CASE(tmpfile_function);
         TEST_CASE(fcloseall_function);
         TEST_CASE(file_functions);
+        TEST_CASE(posix_rewinddir);
         TEST_CASE(getc_function);
 
         TEST_CASE(open_function);
@@ -3681,6 +3682,14 @@ private:
         ASSERT_EQUALS("", errout.str());
     }
 
+    void posix_rewinddir() {
+        Settings settings;
+        settings.standards.posix = true;
+
+        check("void f(DIR *p) { rewinddir(p); }", &settings);
+        ASSERT_EQUALS("", errout.str());
+    }
+
     void exit2() {
         check("void f()\n"
               "{\n"