diff --git a/wasm/src/ColorManager.hpp b/wasm/src/ColorManager.hpp
index 855fcfd..00b3c94 100644
--- a/wasm/src/ColorManager.hpp
+++ b/wasm/src/ColorManager.hpp
@@ -22,7 +22,7 @@ class ColorManager {
   /// </summary>
   ColorManager(FrameInfo frameInfo,
                const val &iccProfile,
-               int outputType = DCM_ICC_OUTPUT_SRGB) {
+               DcmIccOutputType outputType = DCM_ICC_OUTPUT_SRGB) {
 
     this->frameInfo = frameInfo;
 
diff --git a/wasm/src/jslib.cpp b/wasm/src/jslib.cpp
index 447fab8..1975902 100644
--- a/wasm/src/jslib.cpp
+++ b/wasm/src/jslib.cpp
@@ -30,7 +30,7 @@ EMSCRIPTEN_BINDINGS(FrameInfo) {
 
 EMSCRIPTEN_BINDINGS(ColorManager) {
   class_<ColorManager>("ColorManager")
-    .constructor<FrameInfo, const val, int>()
+    .constructor<FrameInfo, const val, DcmIccOutputType>()
     .function("getFrameInfo", &ColorManager::getFrameInfo)
     .function("transform", &ColorManager::transform)
   ;