diff --git a/src/corelib/global/qrandom.cpp b/src/corelib/global/qrandom.cpp
index 03534cf453f..6195c324e72 100644
--- a/src/corelib/global/qrandom.cpp
+++ b/src/corelib/global/qrandom.cpp
@@ -48,7 +48,7 @@
 
 #include <errno.h>
 
-#if !QT_CONFIG(getentropy) && !defined(Q_OS_BSD4) && !defined(Q_OS_WIN)
+#if !QT_CONFIG(getentropy) && (!defined(Q_OS_BSD4) || defined(__GLIBC__)) && !defined(Q_OS_WIN)
 #  include "qdeadlinetimer.h"
 #  include "qhashfunctions.h"
 
@@ -259,7 +259,7 @@ static void fallback_fill(quint32 *, qsizetype) Q_DECL_NOTHROW
     // no fallback necessary, getentropy cannot fail under normal circumstances
     Q_UNREACHABLE();
 }
-#elif defined(Q_OS_BSD4)
+#elif defined(Q_OS_BSD4) && !defined(__GLIBC__)
 static void fallback_update_seed(unsigned) {}
 static void fallback_fill(quint32 *ptr, qsizetype left) Q_DECL_NOTHROW
 {