diff --git a/src/dxso/dxso_compiler.h b/src/dxso/dxso_compiler.h
index 4da547372..7a8d9e586 100644
--- a/src/dxso/dxso_compiler.h
+++ b/src/dxso/dxso_compiler.h
@@ -259,7 +259,7 @@ namespace dxvk {
 
     DxsoShaderMetaInfo         m_meta;
     DxsoDefinedConstants       m_constants;
-    uint32_t                   m_maxDefinedConstant;
+    uint32_t                   m_maxDefinedConstant = 0u;
 
     SpirvModule                m_module;
 
@@ -712,4 +712,4 @@ namespace dxvk {
 
   };
 
-}
\ No newline at end of file
+}