diff --git a/lib_util/cmdl_tools.c b/lib_util/cmdl_tools.c
index bec772ce42f96eb8373d44aebc6cba944cdb288e..945bda07de0918d6784d1edfddfa415040029485 100644
--- a/lib_util/cmdl_tools.c
+++ b/lib_util/cmdl_tools.c
@@ -185,20 +185,21 @@ void convert_backslash(
 void remove_cr(
     char *str )
 {
-    char *pos;
+    int32_t n, p = 0;
 
     /* remove all \r characters from the string */
-    pos = strchr( str, '\r' );
-    while ( pos != NULL )
+    for ( n = 0; str[n] != 0; n++ )
     {
-        strcpy( pos, pos + 1 );
-        pos = strchr( pos, '\r' );
+        char c = str[n];
+        str[p] = c;
+        p += ( c == '\r' ) ? 0 : 1;
     }
 
+    str[p] = 0;
+
     return;
 }
 
-
 /*---------------------------------------------------------------------*
  * clearString()
  *