diff --git a/macrologger.h b/macrologger.h
index 1f8f025..c0d9eba 100644
--- a/macrologger.h
+++ b/macrologger.h
@@ -28,6 +28,7 @@
 #else
 #include <time.h>
 #include <string.h>
+#include <stdio.h>
 #endif
 
 // === auxiliar functions
@@ -123,4 +124,4 @@ static inline void objc_print(NSString *format, ...) {
 
 #endif
 
-#endif
\ No newline at end of file
+#endif