diff --git a/src/corelib/global/qglobal.cpp b/src/corelib/global/qglobal.cpp
index 2b2a03cc76..798e445ee4 100644
--- a/src/corelib/global/qglobal.cpp
+++ b/src/corelib/global/qglobal.cpp
@@ -145,6 +145,10 @@ Q_STATIC_ASSERT_X(QT_POINTER_SIZE == sizeof(void *), "QT_POINTER_SIZE defined in
 Q_STATIC_ASSERT_X(sizeof(float) == 4, "Qt assumes that float is 32 bits");
 Q_STATIC_ASSERT_X(sizeof(char16_t) == 2, "Qt assumes that char16_t is 16 bits");
 Q_STATIC_ASSERT_X(sizeof(char32_t) == 4, "Qt assumes that char32_t is 32 bits");
+Q_STATIC_ASSERT_X(std::numeric_limits<int>::radix == 2,
+                  "Qt assumes binary integers");
+Q_STATIC_ASSERT_X((std::numeric_limits<int>::max() + std::numeric_limits<int>::lowest()) == -1,
+                  "Qt assumes two's complement integers");
 
 // While we'd like to check for __STDC_IEC_559__, as per ISO/IEC 9899:2011
 // Annex F (C11, normative for C++11), there are a few corner cases regarding