diff --git a/cmake/QtWasmHelpers.cmake b/cmake/QtWasmHelpers.cmake
index 20d4bc5c29..7ba7cd893a 100644
--- a/cmake/QtWasmHelpers.cmake
+++ b/cmake/QtWasmHelpers.cmake
@@ -29,6 +29,12 @@ function (qt_internal_setup_wasm_target_properties wasmTarget)
         target_compile_options("${wasmTarget}" INTERFACE -O2 -msimd128 -msse -msse2)
     endif()
 
+    # wasm exceptions
+    if (QT_FEATURE_wasm_exception)
+        target_compile_options("${wasmTarget}" INTERFACE -fwasm-exceptions)
+        target_link_options("${wasmTarget}" INTERFACE -fwasm-exceptions)
+    endif()
+
     target_link_options("${wasmTarget}" INTERFACE "SHELL:-s DISABLE_EXCEPTION_CATCHING=1")
 
     if (QT_FEATURE_thread)
diff --git a/configure.cmake b/configure.cmake
index d5ab6385bf..c9d3967d8a 100644
--- a/configure.cmake
+++ b/configure.cmake
@@ -940,6 +940,12 @@ qt_feature("posix_fallocate" PRIVATE
     LABEL "POSIX fallocate()"
     CONDITION TEST_posix_fallocate
 )
+qt_feature("wasm_exceptions" PRIVATE
+    LABEL "WebAssembly exception handling"
+    AUTODETECT OFF
+)
+qt_feature_definition("wasm_exceptions" "QT_WASM_EXCEPTIONS" VALUE "1")
+qt_feature_config("wasm_exceptions" QMAKE_PRIVATE_CONFIG)
 qt_feature("alloca_h" PRIVATE
     LABEL "alloca.h"
     CONDITION TEST_alloca_h