diff --git a/kip.c b/kip.c
index 733ff68..aad4623 100644
--- a/kip.c
+++ b/kip.c
@@ -105,9 +105,9 @@ void ini1_save(ini1_ctx_t *ctx) {
     }
 }
 
-const char *kip1_get_json(kip1_ctx_t *ctx) {
+char *kip1_get_json(kip1_ctx_t *ctx) {
     cJSON *kip_json = cJSON_CreateObject();
-    const char *output_str = NULL;
+    char *output_str = NULL;
     char work_buffer[0x300] = {0};
     
     /* Add KIP1 header fields. */
@@ -272,7 +272,7 @@ void kip1_save(kip1_ctx_t *ctx) {
                 fprintf(stderr, "Failed to open %s!\n", json_path->char_path);
                 return;
             }
-            const char *json = kip1_get_json(ctx);
+            char *json = kip1_get_json(ctx);
             if (json == NULL) {
                 fprintf(stderr, "Failed to allocate KIP1 JSON\n");
                 exit(EXIT_FAILURE);
diff --git a/kip.h b/kip.h
index acf51a2..6edecbc 100644
--- a/kip.h
+++ b/kip.h
@@ -54,7 +54,7 @@ void ini1_process(ini1_ctx_t *ctx);
 void ini1_print(ini1_ctx_t *ctx);
 void ini1_save(ini1_ctx_t *ctx);
 
-const char *kip1_get_json(kip1_ctx_t *ctx);
+char *kip1_get_json(kip1_ctx_t *ctx);
 void kip1_process(kip1_ctx_t *ctx);
 void kip1_print(kip1_ctx_t *ctx, int suppress);
 void kip1_save(kip1_ctx_t *ctx);
diff --git a/npdm.c b/npdm.c
index 551b893..c46a6be 100644
--- a/npdm.c
+++ b/npdm.c
@@ -672,7 +672,7 @@ void npdm_save(npdm_t *npdm, hactool_ctx_t *tool_ctx) {
         return;
     }
 
-    const char *json = npdm_get_json(npdm);
+    char *json = npdm_get_json(npdm);
     if (fwrite(json, 1, strlen(json), f_json) != strlen(json)) {
         fprintf(stderr, "Failed to write JSON file!\n");
         exit(EXIT_FAILURE);
@@ -832,11 +832,11 @@ cJSON *kac_get_json(uint32_t *descriptors, uint32_t num_descriptors) {
     return kac_json;
 }
 
-const char *npdm_get_json(npdm_t *npdm) {
+char *npdm_get_json(npdm_t *npdm) {
     npdm_acid_t *acid = npdm_get_acid(npdm);
     npdm_aci0_t *aci0 = npdm_get_aci0(npdm);
     cJSON *npdm_json = cJSON_CreateObject();
-    const char *output_str = NULL;
+    char *output_str = NULL;
     char work_buffer[0x300] = {0};
     
     /* Add NPDM header fields. */
diff --git a/npdm.h b/npdm.h
index 3c6c51e..c85645e 100644
--- a/npdm.h
+++ b/npdm.h
@@ -139,7 +139,7 @@ void npdm_save(npdm_t *npdm, hactool_ctx_t *tool_ctx);
 
 char *npdm_get_proc_category(int process_category);
 void kac_print(uint32_t *descriptors, uint32_t num_descriptors);
-const char *npdm_get_json(npdm_t *npdm);
+char *npdm_get_json(npdm_t *npdm);
 
 void cJSON_AddU8ToObject(cJSON *obj, char *name, uint8_t val);
 void cJSON_AddU16ToObject(cJSON *obj, char *name, uint16_t val);