diff --git a/Sources/Security.php b/Sources/Security.php
index ea1bc31..879482c 100644
--- a/Sources/Security.php
+++ b/Sources/Security.php
@@ -565,7 +565,7 @@ function checkSubmitOnce($action, $is_fatal = true)
 function setBit(&$string, $position, $value)
 {
 	// Get the character position of the character carying the bit.
-	$charPos = floor($position / 8);
+	$charPos = (int) floor($position / 8);
 
 	// Get the bit number of the character.
 	$bitPos = $position % 8;
@@ -585,7 +585,7 @@ function setBit(&$string, $position, $value)
 function getBit(&$string, $position)
 {
 	// Get the position of the character this bit is in.
-	$charPos = floor($position / 8);
+	$charPos = (int) floor($position / 8);
 
 	// If the string isn't even that long, obviously it's 0/false.
 	if (strlen($string) < $charPos + 1)