diff --git a/BaS_gcc/exe/basflash_start.c b/BaS_gcc/exe/basflash_start.c
index 141ae64..f5ea0de 100644
--- a/BaS_gcc/exe/basflash_start.c
+++ b/BaS_gcc/exe/basflash_start.c
@@ -32,12 +32,12 @@ static uint32_t *stackptr = &ownstack[STACKSIZE - 1];
  */
 void startup(void)
 {
-	static uint32_t oldstack;
+    static uint32_t oldstack;
 
-	void basflash(void);
-	__asm__ __volatile__("move.l	sp,%0\n\t" : "=g"(oldstack) : :);
-	__asm__ __volatile__("move.l	%0,sp\n\t" : : "g"(stackptr) : );
-	basflash();
-	__asm__ __volatile__("move.l	%0,sp\n\t" : : "g"(oldstack) : "sp");
-	(void) stackptr; /* make compiler happy about unused variables */
+    void basflash(void);
+    __asm__ __volatile__("move.l	sp,%0\n\t" : "=g"(oldstack) : :);
+    __asm__ __volatile__("move.l	%0,sp\n\t" : : "g"(stackptr) : );
+    basflash();
+    __asm__ __volatile__("move.l	%0,sp\n\t" : : "g"(oldstack) : "sp");
+    (void) stackptr; /* make compiler happy about unused variables */
 }