diff --git a/src/cache.h b/src/cache.h
index f3d9509..a49455d 100644
--- a/src/cache.h
+++ b/src/cache.h
@@ -613,7 +613,7 @@ struct WaterCache {
 
     // calc caustics
         game->setShader(Core::passWater, Shader::WATER_CAUSTICS);
-        vec3 rPosScale[2] = { vec3(0.0f), vec3(1.0f / PLANE_DETAIL) };
+        vec3 rPosScale[2] = { vec3(0.0f), vec3(32767.0f / PLANE_DETAIL) };
         Core::active.shader->setParam(uPosScale, rPosScale[0], 2);
 
         float sx = item.size.x * DETAIL / (item.data[0]->width  / 2);
diff --git a/src/core.h b/src/core.h
index ecafcb4..506a26c 100644
--- a/src/core.h
+++ b/src/core.h
@@ -77,6 +77,8 @@
     #define glProgramBinary(...)
     
     extern EGLDisplay display;
+
+    #define DYNGEOM_NO_VBO
 #elif __linux__
     #define LINUX 1
     #include <GL/gl.h>