diff --git a/ext/fox16/extconf.rb b/ext/fox16/extconf.rb
index 5194bd2177485e4e5486d33e4389dbc54b6b2775..58e9ae50a9435566957ade2e39855ad60141898f 100755
--- a/ext/fox16/extconf.rb
+++ b/ext/fox16/extconf.rb
@@ -172,7 +172,7 @@ end
 
 def do_rake_compiler_setup
   $libs = append_library($libs, "stdc++")
-  have_header("sys/time.h")
+# have_header("sys/time.h") # Breaks MinGW build
   have_header("signal.h")
   have_library("png", "png_create_read_struct")
   have_library("z", "deflate")