diff --git a/source/3ds/cbmd.cpp b/source/3ds/cbmd.cpp
index d848f0d..505af87 100644
--- a/source/3ds/cbmd.cpp
+++ b/source/3ds/cbmd.cpp
@@ -5,6 +5,8 @@
 #include <stdlib.h>
 #include <string.h>
 
+#define CBMD_MAGIC "CBMD"
+
 typedef struct {
     char magic[4];
     u32 zero;
@@ -17,7 +19,7 @@ static void* cbmd_build_data(u32* size, CBMD cbmd, bool bnr) {
     CBMDHeader header;
     memset(&header, 0, sizeof(header));
 
-    memcpy(header.magic, "CBMD", sizeof(header.magic));
+    memcpy(header.magic, CBMD_MAGIC, sizeof(header.magic));
 
     u32 outputSize = sizeof(CBMDHeader);
 
diff --git a/source/3ds/smdh.h b/source/3ds/smdh.h
index a733bd3..818d8e6 100644
--- a/source/3ds/smdh.h
+++ b/source/3ds/smdh.h
@@ -3,6 +3,8 @@
 
 #include "../types.h"
 
+#define SMDH_MAGIC "SMDH"
+
 #define SMDH_NUM_LANGUAGE_SLOTS 16
 #define SMDH_NUM_VALID_LANGUAGE_SLOTS 12
 
diff --git a/source/cmd.cpp b/source/cmd.cpp
index bfba7a8..a278029 100644
--- a/source/cmd.cpp
+++ b/source/cmd.cpp
@@ -617,7 +617,7 @@ int cmd_process_command(int argc, char* argv[]) {
         SMDH smdh;
         memset(&smdh, 0, sizeof(smdh));
 
-        memcpy(smdh.magic, "SMDH", sizeof(smdh.magic));
+        memcpy(smdh.magic, SMDH_MAGIC, sizeof(smdh.magic));
 
         static const char* shortTitleShortArgs[SMDH_NUM_VALID_LANGUAGE_SLOTS] = {"js", "es", "fs", "gs", "is", "ss", "scs", "ks", "ds", "ps", "rs", "tcs"};
         static const char* shortTitleLongArgs[SMDH_NUM_VALID_LANGUAGE_SLOTS] = {"japaneseshorttitle", "englishshorttitle", "frenchshorttitle", "germanshorttitle", "italianshorttitle", "spanishshorttitle", "simplifiedchineseshorttitle", "koreanshorttitle", "dutchshorttitle", "portugueseshorttitle", "russianshorttitle", "traditionalchineseshorttitle"};