diff --git a/stdlib/public/Platform/glibc.modulemap.gyb b/stdlib/public/Platform/glibc.modulemap.gyb
index 221f0d00b6598..f694c73f9afc1 100644
--- a/stdlib/public/Platform/glibc.modulemap.gyb
+++ b/stdlib/public/Platform/glibc.modulemap.gyb
@@ -49,6 +49,14 @@ module SwiftGlibc [system] {
   export *
 }
 
+% if CMAKE_SDK == "FREEBSD":
+module signal_h [system] {
+  config_macros _BSD_VISIBLE, _POSIX_VISIBLE
+  header "signal.h"
+  export *
+}
+% end
+
 module CUUID [system] {
   header "uuid/uuid.h"
   link "uuid"