diff --git a/cfg/posix.cfg b/cfg/posix.cfg
index b8dc27a92..bcd726a88 100644
--- a/cfg/posix.cfg
+++ b/cfg/posix.cfg
@@ -711,6 +711,12 @@ The function 'mktemp' is considered to be dangerous due to race conditions and s
     <arg nr="1">
       <not-null/>
       <not-uninit/>
+      <strz/>
+    </arg>
+    <arg nr="2">
+      <not-null/>
+      <not-uninit/>
+      <strz/>
     </arg>
   </function>
   <!-- int stat(const char *file_name, struct stat *buf); -->
diff --git a/test/cfg/generated-cfg-tests-posix.cpp b/test/cfg/generated-cfg-tests-posix.cpp
index 4b676b9c6..fdd817a5f 100644
--- a/test/cfg/generated-cfg-tests-posix.cpp
+++ b/test/cfg/generated-cfg-tests-posix.cpp
@@ -1529,26 +1529,37 @@ void test__unlink__arg1__notuninit() {
 
 void test__rename__noreturn() {
   int x = 1;
-  if (cond) { x=100; rename(arg1); }
+  if (cond) { x=100; rename(arg1, arg2); }
   // cppcheck-suppress shiftTooManyBits
   x = 1 << x;
 }
 
 void test__rename__leakignore() {
   char *p = malloc(10); *p=0;
-  rename(p);
+  rename(p, arg2);
   // cppcheck-suppress memleak
 }
 
 void test__rename__arg1__notnull() {
   // cppcheck-suppress nullPointer
-  rename(NULL);
+  rename(NULL, arg2);
 }
 
 void test__rename__arg1__notuninit() {
   int x[10];
   // cppcheck-suppress uninitvar
-  rename(x);
+  rename(x, arg2);
+}
+
+void test__rename__arg2__notnull() {
+  // cppcheck-suppress nullPointer
+  rename(arg1, NULL);
+}
+
+void test__rename__arg2__notuninit() {
+  int x[10];
+  // cppcheck-suppress uninitvar
+  rename(arg1, x);
 }
 
 void test__stat__noreturn() {