diff --git a/src/corelib/global/qsysinfo.cpp b/src/corelib/global/qsysinfo.cpp
index 9df9d96b5e..0502e77177 100644
--- a/src/corelib/global/qsysinfo.cpp
+++ b/src/corelib/global/qsysinfo.cpp
@@ -788,6 +788,8 @@ QString QSysInfo::productType()
     return QStringLiteral("macos");
 #elif defined(Q_OS_DARWIN)
     return QStringLiteral("darwin");
+#elif defined(Q_OS_WASM)
+    return QStringLiteral("wasm");
 
 #elif defined(USE_ETC_OS_RELEASE) // Q_OS_UNIX
     QUnixOSVersion unixOsVersion;