diff --git a/Source/SuperMario3DWorld/patches.txt b/Source/SuperMario3DWorld/patches.txt
index 70097da3..ea4468ce 100644
--- a/Source/SuperMario3DWorld/patches.txt
+++ b/Source/SuperMario3DWorld/patches.txt
@@ -1,4 +1,4 @@
-<?
+<?php
 $width = $argv[1];
 $height = $argv[2];
 
diff --git a/Source/SuperMario3DWorld/rules.txt b/Source/SuperMario3DWorld/rules.txt
index d7c4624e..65a0ccf1 100644
--- a/Source/SuperMario3DWorld/rules.txt
+++ b/Source/SuperMario3DWorld/rules.txt
@@ -1,4 +1,4 @@
-<?
+<?php
 $fullWidth = $argv[1];
 $fullHeight = $argv[2];
 $halfWidth = $fullWidth / 2;
diff --git a/build.sh b/build.sh
index 6db1dea8..27c95777 100644
--- a/build.sh
+++ b/build.sh
@@ -29,7 +29,7 @@ build_dir () {
 		filename=`basename $f`
 		outName="$dstDir/$filename"
 		echo "Building $f to $outName with params ${rest[@]}"
-		php5 "$f" ${rest[*]} > "$outName"
+		php "$f" ${rest[*]} > "$outName"
 		if [ $? -ne 0 ]; then
 			rm "$outName"
 		fi