diff --git a/src/GLProgramLoader.cc b/src/GLProgramLoader.cc
index 9d07654..84918f7 100644
--- a/src/GLProgramLoader.cc
+++ b/src/GLProgramLoader.cc
@@ -79,5 +79,9 @@ GLuint compile_and_link_program(const std::vector<std::pair<GLuint, std::string>
         throw GLProgramException(std::format("Program {} link failed:\n{}", program_id, error_log));
     }
 
+    for (auto &s:shader_ids) {
+      glDeleteShader(s);
+    }
+
     return program_id;
-}
\ No newline at end of file
+}