diff --git a/src/apps/gbdb.c b/src/apps/gbdb.c
index f1bd0b1..6693b69 100644
--- a/src/apps/gbdb.c
+++ b/src/apps/gbdb.c
@@ -193,12 +193,12 @@ static void echo(char *arg_list)
 
 static void breakpoint_cb(struct lr35902_state *lr)
 {
-  int i;
+	int i;
   
-  paused_breakpoint = 1;
-  paused = 1;
+	paused_breakpoint = 1;
+	paused = 1;
 
-  breakpoint_addr_hit(cpu.pc);
+	breakpoint_addr_hit(cpu.pc);
 }
 
 
@@ -223,7 +223,7 @@ static void step(char *arg_list)
 
 	while(end_steps > cpu.metrics.retired_instrs &&
 	      !paused) {
-	  cycle();
+		cycle();
 	}
 	
 	if (end_steps <= cpu.metrics.retired_instrs) {
@@ -521,12 +521,12 @@ static struct breakpoint *get_breakpoint(int id)
 
 static void reset_breakpoints(void)
 {
-  int i;
+	int i;
 
-  for (i = 0; i < num_breakpoints; i++) {
-    struct breakpoint *bkpt = &breakpoints[i];
-    *bkpt->ptr = 0xd3;
-  }
+	for (i = 0; i < num_breakpoints; i++) {
+		struct breakpoint *bkpt = &breakpoints[i];
+		*bkpt->ptr = 0xd3;
+	}
 }
 
 static int do_set_breakpoint(uint16_t addr, bool temp)
@@ -537,9 +537,9 @@ static int do_set_breakpoint(uint16_t addr, bool temp)
 		breakpoints[num_breakpoints].addr = addr;
 		breakpoints[num_breakpoints].op = mem_read(NULL, addr);
 		if (bootrom_mapped && addr < 0x100) {
-		  breakpoints[num_breakpoints].ptr = &bootrom[addr];
+			breakpoints[num_breakpoints].ptr = &bootrom[addr];
 		} else {
-		  breakpoints[num_breakpoints].ptr = &ram[addr];
+			breakpoints[num_breakpoints].ptr = &ram[addr];
 		}
 		*breakpoints[num_breakpoints].ptr = 0xd3;
 		breakpoints[num_breakpoints].id = id++;
@@ -597,7 +597,7 @@ static int do_delete_breakpoint(int id)
 	
 	index = bkpt - breakpoints;
 	memmove(&breakpoints[index], &breakpoints[index + 1],
-		num_breakpoints - index - 1);
+			num_breakpoints - index - 1);
 	num_breakpoints--;
 
 	return 0;