diff --git a/core/cart_hw/md_cart.c b/core/cart_hw/md_cart.c
index 90c1517..6e143f7 100644
--- a/core/cart_hw/md_cart.c
+++ b/core/cart_hw/md_cart.c
@@ -1627,7 +1627,7 @@ static void default_time_w(uint32 address, uint32 data)
   }
   else
   {
-  	mapper_sega_w(data);
+    mapper_sega_w(data);
   }
 }
 
diff --git a/core/m68k/s68kcpu.c b/core/m68k/s68kcpu.c
index 40ff145..0df6054 100644
--- a/core/m68k/s68kcpu.c
+++ b/core/m68k/s68kcpu.c
@@ -257,7 +257,7 @@ void s68k_run(unsigned int cycles)
     REG_IR = m68ki_read_imm_16();
 
     /* Execute instruction */
-	m68ki_instruction_jump_table[REG_IR]();
+    m68ki_instruction_jump_table[REG_IR]();
     USE_CYCLES(CYC_INSTRUCTION[REG_IR]);
 
     /* Trace m68k_exception, if necessary */