diff --git a/include/SDL_config_android.h b/include/SDL_config_android.h
index 4651d9572..e4f04f4f0 100755
--- a/include/SDL_config_android.h
+++ b/include/SDL_config_android.h
@@ -55,6 +55,8 @@ typedef unsigned int uint32_t;
 #define HAVE_SIGNAL_H	1
 
 /* C library functions */
+#define HAVE_ATAN	1
+#define HAVE_ATAN2	1
 #define HAVE_MALLOC	1
 #define HAVE_CALLOC	1
 #define HAVE_REALLOC	1