diff --git a/include/grgsm/misc_utils/extract_system_info.h b/include/grgsm/misc_utils/extract_system_info.h
index 2a4f625..8be10a1 100644
--- a/include/grgsm/misc_utils/extract_system_info.h
+++ b/include/grgsm/misc_utils/extract_system_info.h
@@ -26,6 +26,7 @@
 
 #include <grgsm/api.h>
 #include <gnuradio/block.h>
+#include <vector>
 
 namespace gr {
   namespace gsm {