diff --git a/src/libGLESv2/ProgramBinary.cpp b/src/libGLESv2/ProgramBinary.cpp
index ca92742..64efe44 100644
--- a/src/libGLESv2/ProgramBinary.cpp
+++ b/src/libGLESv2/ProgramBinary.cpp
@@ -1178,6 +1178,12 @@
         vertexHLSL += "(input." + decorateAttribute(attribute->name) + ");\n";
     }
 
+    if (vertexHLSL.find("dx_initConstantBuffers") != std::string::npos)
+    {
+        vertexHLSL += "\n"
+                      "    dx_initConstantBuffers();\n";
+    }
+
     if (shaderModel >= 4)
     {
         vertexHLSL += "\n"
@@ -1421,6 +1427,12 @@
         else UNREACHABLE();
     }
 
+    if (pixelHLSL.find("dx_initConstantBuffers") != std::string::npos)
+    {
+        pixelHLSL += "\n"
+                     "    dx_initConstantBuffers();\n";
+    }
+
     pixelHLSL += "\n"
                  "    gl_main();\n"
                  "\n"