diff --git a/src/dxvk/dxvk_shader.cpp b/src/dxvk/dxvk_shader.cpp
index 5bc33e7d..20acd073 100644
--- a/src/dxvk/dxvk_shader.cpp
+++ b/src/dxvk/dxvk_shader.cpp
@@ -6,7 +6,8 @@
 
 namespace dxvk {
   
-  DxvkShaderConstData::DxvkShaderConstData() {
+  DxvkShaderConstData::DxvkShaderConstData()
+  : m_size(0), m_data(nullptr) {
 
   }