diff --git a/src/Reactor/ExecutableMemory.cpp b/src/Reactor/ExecutableMemory.cpp
index a66bc6d..504dceb 100644
--- a/src/Reactor/ExecutableMemory.cpp
+++ b/src/Reactor/ExecutableMemory.cpp
@@ -42,6 +42,9 @@
 #	define __x86__
 #endif
 
+#define STRINGIFY(x) #x
+#define MACRO_STRINGIFY(x) STRINGIFY(x)
+
 namespace rr {
 namespace {
 
@@ -159,7 +162,7 @@
 // MAP_PRIVATE so that underlying pages aren't shared.
 int anonymousFd()
 {
-	static int fd = memfd_create(#REACTOR_ANONYMOUS_MMAP_NAME, 0);
+	static int fd = memfd_create(MACRO_STRINGIFY(REACTOR_ANONYMOUS_MMAP_NAME), 0);
 	return fd;
 }