diff --git a/rpcs3/Emu/RSX/GL/GLShaderInterpreter.cpp b/rpcs3/Emu/RSX/GL/GLShaderInterpreter.cpp
index f043947f1f..406ece755c 100644
--- a/rpcs3/Emu/RSX/GL/GLShaderInterpreter.cpp
+++ b/rpcs3/Emu/RSX/GL/GLShaderInterpreter.cpp
@@ -131,6 +131,9 @@ namespace gl
 			: 0;
 		GLVertexDecompilerThread comp(null_prog, shader_str, arr);
 
+		// Initialize compiler properties
+		comp.properties.has_indexed_constants = true;
+
 		ParamType uniforms = { PF_PARAM_UNIFORM, "vec4" };
 		uniforms.items.emplace_back("vc[468]", -1);
 
diff --git a/rpcs3/Emu/RSX/VK/VKShaderInterpreter.cpp b/rpcs3/Emu/RSX/VK/VKShaderInterpreter.cpp
index 94deb013b1..c0a713ec00 100644
--- a/rpcs3/Emu/RSX/VK/VKShaderInterpreter.cpp
+++ b/rpcs3/Emu/RSX/VK/VKShaderInterpreter.cpp
@@ -30,6 +30,9 @@ namespace vk
 			: 0;
 		VKVertexDecompilerThread comp(null_prog, shader_str, arr, vk_prog);
 
+		// Initialize compiler properties
+		comp.properties.has_indexed_constants = true;
+
 		ParamType uniforms = { PF_PARAM_UNIFORM, "vec4" };
 		uniforms.items.emplace_back("vc[468]", -1);