diff --git a/src/shaders.c b/src/shaders.c
index 7aa0f97..ea3dc85 100644
--- a/src/shaders.c
+++ b/src/shaders.c
@@ -411,7 +411,7 @@ static bool compile_shader(GLuint shader_id, const char *name,
   glGetShaderiv(shader_id, GL_COMPILE_STATUS, &status_params);
   check_glerror_ro("compile_shader/glGetShaderiv");
 
-  glGetShaderInfoLog(shader_id, 1024, NULL, (GLchar *)&log);
+  glGetShaderInfoLog(shader_id, STR_LEN, NULL, (GLchar *)log);
   check_glerror_ro("compile_shader/glGetShaderInfoLog");
 
   if (status_params == GL_FALSE) {