diff --git a/src/GLProgramLoader.cc b/src/GLProgramLoader.cc
index 48da08f..9d07654 100644
--- a/src/GLProgramLoader.cc
+++ b/src/GLProgramLoader.cc
@@ -24,6 +24,8 @@ static GLuint compile_shader(GLenum shader_type, const std::string &path) {
     std::string shader_source_str = shader_source_stream.str();
     const GLchar *shader_source = shader_source_str.c_str();
 
+    shader_file_handle.close();
+
     GLuint shader_id = glCreateShader(shader_type);
 
     if (shader_id == 0) {