diff --git a/examples/common/debugdraw/vs_debugdraw_fill.sc b/examples/common/debugdraw/vs_debugdraw_fill.sc
index 41705b5a9..1317575ef 100644
--- a/examples/common/debugdraw/vs_debugdraw_fill.sc
+++ b/examples/common/debugdraw/vs_debugdraw_fill.sc
@@ -5,6 +5,7 @@ $input a_position, a_indices
  * License: https://github.com/bkaradzic/bgfx/blob/master/LICENSE
  */
 
+#define BGFX_CONFIG_MAX_BONES 2
 #include <bgfx_shader.sh>
 
 void main()
diff --git a/examples/common/debugdraw/vs_debugdraw_fill_lit.sc b/examples/common/debugdraw/vs_debugdraw_fill_lit.sc
index 1cc0cd922..f91c61d34 100644
--- a/examples/common/debugdraw/vs_debugdraw_fill_lit.sc
+++ b/examples/common/debugdraw/vs_debugdraw_fill_lit.sc
@@ -6,6 +6,7 @@ $output v_view, v_world
  * License: https://github.com/bkaradzic/bgfx/blob/master/LICENSE
  */
 
+#define BGFX_CONFIG_MAX_BONES 2
 #include <bgfx_shader.sh>
 
 void main()
diff --git a/src/bgfx_shader.sh b/src/bgfx_shader.sh
index 209b0951e..8fc7c0168 100644
--- a/src/bgfx_shader.sh
+++ b/src/bgfx_shader.sh
@@ -7,7 +7,7 @@
 #define BGFX_SHADER_H_HEADER_GUARD
 
 #if !defined(BGFX_CONFIG_MAX_BONES)
-#	define BGFX_CONFIG_MAX_BONES 32
+#	define BGFX_CONFIG_MAX_BONES 1
 #endif // !defined(BGFX_CONFIG_MAX_BONES)
 
 #ifndef __cplusplus