diff --git a/Makefile.dev b/Makefile.dev
index eee3a18..3bba818 100644
--- a/Makefile.dev
+++ b/Makefile.dev
@@ -1,6 +1,6 @@
 TARGET ?= forge
 INSTALL_DIR ?= $(HOME)/.local/bin
-TEST_ARGS ?= --hot-reload --frag=./shaders --frag-config=./shaders/shaders.cfg
+TEST_ARGS ?= --hot-reload --frag=./shaders --frag-config=./config/shaders.cfg
 SHELL := /bin/bash
 
 .PHONY: build
diff --git a/shaders/shaders.cfg b/config/shaders.cfg
similarity index 100%
rename from shaders/shaders.cfg
rename to config/shaders.cfg
diff --git a/src/forge.c b/src/forge.c
index c224ffd..b216af6 100644
--- a/src/forge.c
+++ b/src/forge.c
@@ -74,6 +74,7 @@ static void loop(Window *window, ShaderProgram program, bool hr,
   context = window_get_context(window);
 
   context.fps = compute_fps(window, timer);
+  context.tempo = 120.0f; // TODO need tempo here
 
   shaders_apply(program, context);
 
diff --git a/src/shaders.c b/src/shaders.c
index 7336818..b9b06dc 100644
--- a/src/shaders.c
+++ b/src/shaders.c
@@ -306,8 +306,7 @@ static void use_program(ShaderProgram program, int i, bool output,
   }
   // set fragment uniforms
   glUniform1f(program.itime_locations[i], (const GLfloat)context.time);
-  glUniform1f(program.itempo_locations[i],
-              (const GLfloat)120.0f); // TODO TMP
+  glUniform1f(program.itempo_locations[i], (const GLfloat)context.tempo);
   glUniform1i(program.ifps_locations[i], (const GLint)context.fps);
   glUniform2fv(program.ires_locations[i], 1, (const GLfloat *)&resolution);
 
diff --git a/src/types.h b/src/types.h
index 4b573cd..a32aab9 100644
--- a/src/types.h
+++ b/src/types.h
@@ -73,6 +73,7 @@ typedef struct Context {
   int height;
   double time;
   unsigned int fps;
+  float tempo;
 } Context;
 
 typedef struct Timer {