diff --git a/Formula/vorbis-tools.rb b/Formula/vorbis-tools.rb
index ddc3ab6c956..6017f8ab365 100644
--- a/Formula/vorbis-tools.rb
+++ b/Formula/vorbis-tools.rb
@@ -11,7 +11,8 @@ class VorbisTools <Formula
   #depends_on 'ogg123' => :optional
 
   def install
-    system "./configure --disable-debug --disable-nls --disable-dependency-tracking --prefix='#{prefix}'"
+    system "./configure", "--disable-debug", "--disable-dependency-tracking",
+                          "--disable-nls", "--prefix=#{prefix}"
     # wtf?!
     inreplace 'ogg123/Makefile', '-arch ppc ppc64 i386 x86_64', '-arch i386'
     system "make install"
diff --git a/Formula/xmlrpc-c.rb b/Formula/xmlrpc-c.rb
index 5e866647987..48b3e838e88 100644
--- a/Formula/xmlrpc-c.rb
+++ b/Formula/xmlrpc-c.rb
@@ -10,7 +10,7 @@ class XmlrpcC <Formula
     # choosing --enable-libxml2-backend to lose some weight and not statically
     # link in expat
     #NOTE seemingly it isn't possible to build dylibs with this thing
-    system "./configure --disable-debug --enable-libxml2-backend --prefix='#{prefix}'"
+    system "./configure", "--disable-debug", "--enable-libxml2-backend", "--prefix=#{prefix}"
     system "make install"
   end
 end
\ No newline at end of file
diff --git a/Formula/yajl.rb b/Formula/yajl.rb
index 7c094908ef5..6566d1c078e 100644
--- a/Formula/yajl.rb
+++ b/Formula/yajl.rb
@@ -12,7 +12,7 @@ class Yajl <Formula
   def install
     ENV.deparallelize
 
-    system "./configure --prefix '#{prefix}'"
+    system "./configure", "--prefix#{prefix}"
     system "make install"
   end
 end
\ No newline at end of file