diff --git a/include/tidyplatform.h b/include/tidyplatform.h
index ca169dc..89b6a77 100644
--- a/include/tidyplatform.h
+++ b/include/tidyplatform.h
@@ -569,7 +569,7 @@ extern "C" {
    typedef unsigned int uint;
 #endif
 
-#if defined(HPUX_OS) || defined(CYGWIN_OS) || defined(MAC_OS) || defined(BSD_BASED_OS) || defined(_WIN32)
+#if defined(HPUX_OS) || defined(CYGWIN_OS) || defined(MAC_OS) || defined(BSD_BASED_OS) || defined(_WIN32) || defined(__ANDROID__)
 #  undef ulong
    typedef unsigned long ulong;
 #endif