diff --git a/src/main.cpp b/src/main.cpp
index 2897b87..caa93d0 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -686,7 +686,7 @@ void performPlatformInitialization()
 
 void apmlActiveMonitor()
 {
-    oob_status_t ret;
+    oob_status_t ret = OOB_UNKNOWN_ERROR;
 
     uint32_t d_out = 0;