diff --git a/lib/chip/source/state.php b/lib/chip/source/state.php
index a94556a..19278c9 100755
--- a/lib/chip/source/state.php
+++ b/lib/chip/source/state.php
@@ -59,8 +59,9 @@
 		=========================================================*/
 		/* (1) Activate pin + set OUT mode */
 		foreach($g_pins as $pinNumber)
+
 			// if failed -> propagate error
-			if( syscall(SOURCE_DIR."/gpio/out {$pinNumber}") == false )
+			if( syscall(SOURCE_DIR."/lib/gpio/out {$pinNumber}") == false )
 				return 127;
 
 		/* (2) For each pin, set the associated value */
@@ -68,12 +69,12 @@
 
 			// {1} set value to LOW if 0 //
 			if( $pinValue == 0 )
-				if( syscall(SOURCE_DIR."/gpio/low ".$g_pins[$pinIndex]) == false )
+				if( syscall(SOURCE_DIR."/lib/gpio/low ".$g_pins[$pinIndex]) == false )
 					return 127;
 
 			// {2} set value to HIGH if not 0 //
 			else
-				if( syscall(SOURCE_DIR."/gpio/high ".$g_pins[$pinIndex]) == false )
+				if( syscall(SOURCE_DIR."/lib/gpio/high ".$g_pins[$pinIndex]) == false )
 					return 127;
 
 		}
diff --git a/lib/include/php/func b/lib/include/php/func
index 5100794..d44140f 100755
--- a/lib/include/php/func
+++ b/lib/include/php/func
@@ -15,7 +15,7 @@
 		$out = preg_replace('/\s+$/', '', $out);
 
 		/* (4) Manage result */
-		if( is_numeric($out) ) return ($out==0);
+		if( is_numeric($out) ) return ("$out"==="0");
 		else                   return $out;
 	}