diff --git a/src/map/tile.cpp b/src/map/tile.cpp
index 3447fb384..e7ee1a393 100644
--- a/src/map/tile.cpp
+++ b/src/map/tile.cpp
@@ -40,4 +40,4 @@ Tile::ID Tile::normalize(const ID& id) {
     while (pos.x < 0) pos.x += dim;
     while (pos.x >= dim) pos.x -= dim;
     return pos;
-}
\ No newline at end of file
+}
diff --git a/src/renderer/shader-plain.cpp b/src/renderer/shader-plain.cpp
index 022a7b53f..cb5438934 100644
--- a/src/renderer/shader-plain.cpp
+++ b/src/renderer/shader-plain.cpp
@@ -22,6 +22,7 @@ PlainShader::PlainShader()
     u_color = glGetUniformLocation(program, "u_color");
 
     // fprintf(stderr, "PlainShader:\n");
+    // fprintf(stderr, "    - a_pos: %d\n", a_pos);
     // fprintf(stderr, "    - u_matrix: %d\n", u_matrix);
     // fprintf(stderr, "    - u_color: %d\n", u_color);
 }
diff --git a/src/renderer/shader.cpp b/src/renderer/shader.cpp
index 679931004..1a3c9d458 100644
--- a/src/renderer/shader.cpp
+++ b/src/renderer/shader.cpp
@@ -121,7 +121,7 @@ bool Shader::compileShader(GLuint *shader, GLenum type, const GLchar *source) {
 
     glCompileShader(*shader);
 
-// #if defined(DEBUG)
+#if defined(DEBUG)
     GLint logLength;
     glGetShaderiv(*shader, GL_INFO_LOG_LENGTH, &logLength);
     if (logLength > 0) {
@@ -130,7 +130,7 @@ bool Shader::compileShader(GLuint *shader, GLenum type, const GLchar *source) {
         fprintf(stderr, "Shader compile log:\n%s", log);
         free(log);
     }
-// #endif
+#endif
 
     glGetShaderiv(*shader, GL_COMPILE_STATUS, &status);
     if (status == 0) {