diff --git a/src/render_ogl.c b/src/render_ogl.c
index 1630fc5..7830f02 100644
--- a/src/render_ogl.c
+++ b/src/render_ogl.c
@@ -255,6 +255,7 @@ static void ogl_build_programs()
             {
                 char shader_path_tmp[MAX_PATH] = { 0 };
                 strncpy(shader_path_tmp, shader_path, sizeof(shader_path_tmp));
+                shader_path[sizeof(shader_path_tmp) - 1] = '\0'; /* strncpy fix */
 
                 if (strlen(shader_path_tmp) <= sizeof(shader_path_tmp) - 8)
                 {