diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2614957c2..3405baf4f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -178,7 +178,7 @@ elseif(CMAKE_SYSTEM_NAME MATCHES "Haiku.*")
 endif()
 
 # Don't mistake osx for unix
-if(UNIX AND NOT APPLE AND NOT RISCOS)
+if(UNIX AND NOT ANDROID AND NOT APPLE AND NOT RISCOS)
   set(UNIX_SYS ON)
 else()
   set(UNIX_SYS OFF)