diff --git a/libs/shaders/shaders.cpp b/libs/shaders/shaders.cpp
index c85517a..ef039e5 100644
--- a/libs/shaders/shaders.cpp
+++ b/libs/shaders/shaders.cpp
@@ -168,8 +168,8 @@
 void generateOETF(std::string& shader) {
     // Only support gamma 2.2 for now
     shader.append(R"(
-        float OETF(float3 linear) {
-            return sign(linear) * pow(abs(linear), (1.0 / 2.2));
+        float3 OETF(float3 linear) {
+            return sign(linear) * pow(abs(linear), float3(1.0 / 2.2));
         }
     )");
 }