diff --git a/cfg/posix.cfg b/cfg/posix.cfg
index 418c238ab..23f5233a5 100644
--- a/cfg/posix.cfg
+++ b/cfg/posix.cfg
@@ -2925,7 +2925,7 @@ The function 'mktemp' is considered to be dangerous due to race conditions and s
     <arg nr="1">
       <not-uninit/>
     </arg>
-	<arg nr="2">
+    <arg nr="2">
       <not-uninit/>
     </arg>
   </function>
@@ -2934,18 +2934,18 @@ The function 'mktemp' is considered to be dangerous due to race conditions and s
        sigset_t *restrict oset);
 		int sigprocmask(int how, const sigset_t *restrict set,
        sigset_t *restrict oset); -->
-   <function name="pthread_sigmask,sigprocmask">
+  <function name="pthread_sigmask,sigprocmask">
     <noreturn>false</noreturn>
     <arg nr="1">
       <not-uninit/>
     </arg>
-	<arg nr="2">
+    <arg nr="2">
       <not-uninit/>
     </arg>
-	<arg nr="3">
+    <arg nr="3">
       <not-uninit/>
     </arg>
-  </function>   
+  </function>
   <!-- http://man7.org/linux/man-pages/man2/getrusage.2.html-->
   <!-- int getrusage(int who, struct rusage *usage);-->
   <function name="getrusage">