diff --git a/src/gl/gl3shader.cpp b/src/gl/gl3shader.cpp
index 98408a7..9569ab3 100644
--- a/src/gl/gl3shader.cpp
+++ b/src/gl/gl3shader.cpp
@@ -340,6 +340,7 @@ Shader::destroy(void)
 {
 	glDeleteProgram(this->program);
 	rwFree(this->uniformLocations);
+	rwFree(this->serialNums);
 	rwFree(this);
 }