diff --git a/source/crypto.c b/source/crypto.c
index 5007c2d..64902f5 100755
--- a/source/crypto.c
+++ b/source/crypto.c
@@ -250,7 +250,7 @@ void nandFirm0(u8 *outbuf, u32 size, u32 console){
 }
 
 //Decrypts the N3DS arm9bin
-void decArm9Bin(void *armHdr, u32 mode){
+void decArm9Bin(u8 *armHdr, u32 mode){
 
     //Firm keys
     u8 keyY[0x10];
@@ -284,10 +284,10 @@ void decArm9Bin(void *armHdr, u32 mode){
 }
 
 //Sets the N3DS 9.6 KeyXs
-void setKeyXs(void *armHdr){
+void setKeyXs(u8 *armHdr){
 
-    void *keyData = armHdr+0x89814;
-    void *decKey = keyData+0x10;
+    u8 *keyData = armHdr+0x89814;
+    u8 *decKey = keyData+0x10;
 
     //Set keys 0x19..0x1F keyXs
     aes_setkey(0x11, key2, AES_KEYNORMAL, AES_INPUT_BE | AES_INPUT_NORMAL);
@@ -295,6 +295,6 @@ void setKeyXs(void *armHdr){
     for(u8 slot = 0x19; slot < 0x20; slot++){
         aes(decKey, keyData, 1, NULL, AES_ECB_DECRYPT_MODE, 0);
         aes_setkey(slot, decKey, AES_KEYX, AES_INPUT_BE | AES_INPUT_NORMAL);
-        *(u8 *)(keyData+0xF) += 1;
+        *(keyData+0xF) += 1;
     }
 }
\ No newline at end of file
diff --git a/source/crypto.h b/source/crypto.h
index f4bd4ed..b18c0fc 100755
--- a/source/crypto.h
+++ b/source/crypto.h
@@ -50,7 +50,7 @@
 
 //NAND/FIRM stuff
 void nandFirm0(u8 *outbuf, u32 size, u32 console);
-void decArm9Bin(void *armHdr, u32 mode);
-void setKeyXs(void *armHdr);
+void decArm9Bin(u8 *armHdr, u32 mode);
+void setKeyXs(u8 *armHdr);
 
 #endif
\ No newline at end of file
diff --git a/source/firm.c b/source/firm.c
index 2110d90..6994b60 100755
--- a/source/firm.c
+++ b/source/firm.c
@@ -118,7 +118,7 @@ u32 loadFirm(void){
     if((((u32)section[2].address >> 8) & 0xFF) != (console ? 0x60 : 0x68)) return 0;
 
     if(console && !usePatchedFirm)
-        decArm9Bin((void *)firmLocation + section[2].offset, mode);
+        decArm9Bin((u8 *)firmLocation + section[2].offset, mode);
 
     return 1;
 }
@@ -236,12 +236,12 @@ u32 patchFirm(void){
 
 void launchFirm(void){
 
-    if(console && mode) setKeyXs((void *)firmLocation + section[2].offset);
+    if(console && mode) setKeyXs((u8 *)firmLocation + section[2].offset);
 
     //Copy firm partitions to respective memory locations
-    memcpy(section[0].address, (void *)firmLocation + section[0].offset, section[0].size);
-    memcpy(section[1].address, (void *)firmLocation + section[1].offset, section[1].size);
-    memcpy(section[2].address, (void *)firmLocation + section[2].offset, section[2].size);
+    memcpy(section[0].address, (u8 *)firmLocation + section[0].offset, section[0].size);
+    memcpy(section[1].address, (u8 *)firmLocation + section[1].offset, section[1].size);
+    memcpy(section[2].address, (u8 *)firmLocation + section[2].offset, section[2].size);
 
     //Run ARM11 screen stuff
     vu32 *arm11 = (vu32 *)0x1FFFFFF8;
diff --git a/source/patches.c b/source/patches.c
index df1edfa..9e472a4 100644
--- a/source/patches.c
+++ b/source/patches.c
@@ -48,8 +48,8 @@ void getReboot(void *pos, u32 size, u32 *off){
 
 void getfOpen(void *pos, u32 size, u32 *off){
     //Calculate fOpen
-    u32 p9addr = *(u32*)(memsearch(pos, "ess9", size, 4) + 0xC);
-    u32 p9off = (u32)(memsearch(pos, "code", size, 4) + 0x1FF);
+    u32 p9addr = *(u32 *)((u8 *)memsearch(pos, "ess9", size, 4) + 0xC);
+    u32 p9off = (u32)memsearch(pos, "code", size, 4) + 0x1FF;
     unsigned char pattern[] = {0xB0, 0x04, 0x98, 0x0D};
 
     *off = (u32)memsearch(pos, pattern, size, 4) - 2 - p9off + p9addr;
@@ -57,7 +57,7 @@ void getfOpen(void *pos, u32 size, u32 *off){
 
 void getFIRMWrite(void *pos, u32 size, u32 *off){
     //Look for FIRM writing code
-    void *firmwrite = memsearch(pos, "exe:", size, 4);
+    u8 *firmwrite = (u8 *)memsearch(pos, "exe:", size, 4);
     unsigned char pattern[] = {0x00, 0x28, 0x01, 0xDA};
 
     *off = (u32)memsearch(firmwrite - 0x100, pattern, 0x100, 4);