diff --git a/Source/kwsys/ProcessUNIX.c b/Source/kwsys/ProcessUNIX.c
index a9e0b9920..500743f45 100644
--- a/Source/kwsys/ProcessUNIX.c
+++ b/Source/kwsys/ProcessUNIX.c
@@ -1739,7 +1739,7 @@ static void kwsysProcessKill(pid_t process_id)
     char fname[4096];
 #endif
     const int bufferSize = 1024;
-    char buffer[1025];  // should be buffersize +1 but fails to build on hp cc
+    char buffer[1025];  /* should be buffersize +1 but fails to build on hp cc*/
     struct dirent* d;
 
     /* Each process has a directory in /proc whose name is the pid.