diff --git a/firmware/common/memory_map.hpp b/firmware/common/memory_map.hpp
index 3a1155bd..6f4eae1e 100644
--- a/firmware/common/memory_map.hpp
+++ b/firmware/common/memory_map.hpp
@@ -28,6 +28,8 @@
 #include "lpc43xx_cpp.hpp"
 using namespace lpc43xx;
 
+#include "utility.hpp"
+
 namespace portapack {
 namespace memory {
 
@@ -58,14 +60,6 @@ private:
 	const size_t size_;
 };
 
-constexpr size_t operator "" _KiB(unsigned long long v) {
-	return v * 1024;
-}
-
-constexpr size_t operator "" _MiB(unsigned long long v) {
-	return v * 1024 * 1024;
-}
-
 namespace map {
 
 constexpr region_t local_sram_0		{ 0x10000000,  96_KiB };
diff --git a/firmware/common/utility.hpp b/firmware/common/utility.hpp
index 1407f687..be341042 100644
--- a/firmware/common/utility.hpp
+++ b/firmware/common/utility.hpp
@@ -32,6 +32,14 @@
 
 #define LOCATE_IN_RAM __attribute__((section(".ramtext")))
 
+constexpr size_t operator "" _KiB(unsigned long long v) {
+	return v * 1024;
+}
+
+constexpr size_t operator "" _MiB(unsigned long long v) {
+	return v * 1024 * 1024;
+}
+
 template<typename E>
 constexpr typename std::underlying_type<E>::type toUType(E enumerator) noexcept {
 	/* Thanks, Scott Meyers! */