diff --git a/config b/config
index f26b12e..3954974 100644
--- a/config
+++ b/config
@@ -37,20 +37,20 @@ INSTALL_EXEC=cp
 # Compiler and linker settings
 # for Mac OS X
 #
-CC=gcc
-DEF=-DLUASOCKET_DEBUG -DUNIX_HAS_SUN_LEN
-CFLAGS= $(LUAINC) -I$(COMPAT) $(DEF) -pedantic -Wall -O2 -fno-common
-LDFLAGS=-bundle -undefined dynamic_lookup
-LD=export MACOSX_DEPLOYMENT_TARGET="10.3"; gcc
+#CC=gcc
+#DEF=-DLUASOCKET_DEBUG -DUNIX_HAS_SUN_LEN
+#CFLAGS= $(LUAINC) -I$(COMPAT) $(DEF) -pedantic -Wall -O2 -fno-common
+#LDFLAGS=-bundle -undefined dynamic_lookup
+#LD=export MACOSX_DEPLOYMENT_TARGET="10.3"; gcc
 
 #------
 # Compiler and linker settings
 # for Linux
-#CC=gcc
-#DEF=-DLUASOCKET_DEBUG 
-#CFLAGS= $(LUAINC) -I$(COMPAT) $(DEF) -pedantic -Wall -O2 -fpic
-#LDFLAGS=-O -shared
-#LD=gcc 
+CC=gcc
+DEF=-DLUASOCKET_DEBUG 
+CFLAGS= $(LUAINC) -I$(COMPAT) $(DEF) -pedantic -Wall -O2 -fpic
+LDFLAGS=-O -shared
+LD=gcc 
 
 #------
 # End of makefile configuration
diff --git a/src/http.lua b/src/http.lua
index e002a8c..bfa0345 100644
--- a/src/http.lua
+++ b/src/http.lua
@@ -226,9 +226,9 @@ local default = {
 local function adjustrequest(reqt)
     -- parse url if provided
     local nreqt = reqt.url and url.parse(reqt.url, default) or {}
-    local t = url.parse(reqt.url, default)
     -- explicit components override url
     for i,v in base.pairs(reqt) do nreqt[i] = v end
+    if nreqt.port == "" then nreqt.port = 80 end
     socket.try(nreqt.host, "invalid host '" .. base.tostring(nreqt.host) .. "'")
     -- compute uri if user hasn't overriden
     nreqt.uri = reqt.uri or adjusturi(nreqt)
diff --git a/test/auth/.htaccess b/test/auth/.htaccess
index 31e1123..b9f100e 100644
--- a/test/auth/.htaccess
+++ b/test/auth/.htaccess
@@ -1,4 +1,4 @@
 AuthName "Test Realm"
 AuthType Basic
-AuthUserFile /Users/diego/tec/luasocket/test/auth/.htpasswd
+AuthUserFile /home/diego/tec/luasocket/test/auth/.htpasswd
 require valid-user
diff --git a/test/auth/.htpasswd b/test/auth/.htpasswd
index 824bac9..fd9002b 100644
--- a/test/auth/.htpasswd
+++ b/test/auth/.htpasswd
@@ -1 +1 @@
-luasocket:JFMQjUyOPu3yk
+luasocket:l8n2npozPB.sQ
diff --git a/test/httptest.lua b/test/httptest.lua
index c05b4cc..92528b2 100644
--- a/test/httptest.lua
+++ b/test/httptest.lua
@@ -22,7 +22,8 @@ http.TIMEOUT = 10
 
 local t = socket.gettime()
 
-host = host or "diego.student.princeton.edu"
+--host = host or "diego.student.princeton.edu"
+host = host or "dell-diego"
 proxy = proxy or "http://localhost:3128"
 prefix = prefix or "/luasocket-test"
 cgiprefix = cgiprefix or "/luasocket-test-cgi"
@@ -125,6 +126,20 @@ assert(r == nil and e == re, tostring(r) ..", " .. tostring(re) ..
     " vs " .. tostring(e)) 
 print("ok")
 
+io.write("testing invalid empty port: ")
+request = {
+    url = "http://" .. host .. ":" .. prefix .. "/index.html"
+}
+expect = {
+    body = index,
+    code = 200
+}
+ignore = {
+    status = 1,
+    headers = 1
+}
+check_request(request, expect, ignore)
+
 ------------------------------------------------------------------------
 io.write("testing post method: ")
 -- wanted to test chunked post, but apache doesn't support it...
diff --git a/test/testmesg.lua b/test/testmesg.lua
index 5bec026..ab85c93 100644
--- a/test/testmesg.lua
+++ b/test/testmesg.lua
@@ -83,9 +83,10 @@ r, e = smtp.send{
             "<diego@princeton.edu>" },
     from = "<diego@princeton.edu>",
     source = ltn12.source.chain(source, filter),
-    --server = "mail.cs.princeton.edu"
-    server = "localhost",
-    port = 2525
+    server = "mail.cs.princeton.edu",
+    --server = "localhost",
+    --port = 2525
+    port = 25
 }
 
 print(r, e)