diff --git a/src/corelib/global/qrandom.cpp b/src/corelib/global/qrandom.cpp
index c1c27927368..9eef41b1dc1 100644
--- a/src/corelib/global/qrandom.cpp
+++ b/src/corelib/global/qrandom.cpp
@@ -765,7 +765,7 @@ inline QRandomGenerator::SystemGenerator &QRandomGenerator::SystemGenerator::sel
  */
 
 /*!
-    \fn template <typename UInt> void QRandomGenerator::fillRange(UInt *buffer, qsizetype count)
+    \fn template <typename UInt, IfValidUInt<UInt> = true> void QRandomGenerator::fillRange(UInt *buffer, qsizetype count)
 
     Generates \a count 32- or 64-bit quantities (depending on the type \c UInt)
     and stores them in the buffer pointed by \a buffer. This is the most
@@ -781,7 +781,7 @@ inline QRandomGenerator::SystemGenerator &QRandomGenerator::SystemGenerator::sel
  */
 
 /*!
-    \fn template <typename UInt, size_t N> void QRandomGenerator::fillRange(UInt (&buffer)[N])
+    \fn template <typename UInt, size_t N, IfValidUInt<UInt> = true> void QRandomGenerator::fillRange(UInt (&buffer)[N])
 
     Generates \c N 32- or 64-bit quantities (depending on the type \c UInt) and
     stores them in the \a buffer array. This is the most efficient way to