diff --git a/Sources/XCTest/Private/PrintObserver.swift b/Sources/XCTest/Private/PrintObserver.swift
index ed1eed7..c280794 100644
--- a/Sources/XCTest/Private/PrintObserver.swift
+++ b/Sources/XCTest/Private/PrintObserver.swift
@@ -59,7 +59,9 @@
 
     fileprivate func printAndFlush(_ message: String) {
         print(message)
+        #if !os(Android)
         fflush(stdout)
+        #endif
     }
 
     private func formatTimeInterval(_ timeInterval: TimeInterval) -> String {