diff --git a/devel/folly/files/patch-folly_executors_QueueObserver.h b/devel/folly/files/patch-folly_executors_QueueObserver.h
new file mode 100644
index 000000000000..39963f950316
--- /dev/null
+++ b/devel/folly/files/patch-folly_executors_QueueObserver.h
@@ -0,0 +1,13 @@
+- workaround for https://github.com/facebook/folly/issues/1637
+
+--- folly/executors/QueueObserver.h.orig	2021-08-26 23:37:53 UTC
++++ folly/executors/QueueObserver.h
+@@ -23,6 +23,8 @@
+ 
+ #include <folly/Portability.h>
+ 
++#include <signal.h>
++
+ namespace folly {
+ 
+ class RequestContext;