diff --git a/Makefile.am b/Makefile.am
index 04cd63b..26ddab6 100755
--- a/Makefile.am
+++ b/Makefile.am
@@ -30,27 +30,27 @@
 endif
 
 dist-hook:
-    find $(distdir) -type f \( -iname ".DS_Store" -or -iname "._*" -or -iname ".gitignore" \) | xargs rm -rf
-    find $(distdir) -type d \( -iname ".deps" -or -iname ".libs" \) | xargs rm -rf
-    find $(distdir) -type d \( -iname ".svn" -or -iname ".git" \) | xargs rm -rf
+	find $(distdir) -type f \( -iname ".DS_Store" -or -iname "._*" -or -iname ".gitignore" \) | xargs rm -rf
+	find $(distdir) -type d \( -iname ".deps" -or -iname ".libs" \) | xargs rm -rf
+	find $(distdir) -type d \( -iname ".svn" -or -iname ".git" \) | xargs rm -rf
 
 print-version:
-    @echo $(VERSION)
+	@echo $(VERSION)
 
 
 cross: check
-    sh test/test.sh
+	sh test/test.sh
 
 EXTRA_DIST = \
-    .travis.yml \
-    bower.json \
-    composer.json \
-    contrib \
-    debian \
-    doc \
-    doap.rdf \
-    sonar-project.properties \
-    LICENSE \
-    CHANGES \
-    NOTICE \
-    README.md
+	.travis.yml \
+	bower.json \
+	composer.json \
+	contrib \
+	debian \
+	doc \
+	doap.rdf \
+	sonar-project.properties \
+	LICENSE \
+	CHANGES \
+	NOTICE \
+	README.md