diff --git a/tests/regress/emu_stop_in_hook_overrun.c b/tests/regress/emu_stop_in_hook_overrun.c
index 859749ed..6c18c74d 100644
--- a/tests/regress/emu_stop_in_hook_overrun.c
+++ b/tests/regress/emu_stop_in_hook_overrun.c
@@ -36,10 +36,10 @@ Test for uc_emu_stop() in code hook not always stopping the emu at the current i
 // This should loop forever.
 const uint64_t addr = 0x100000;
 const unsigned char test_code[] = {
-	0x00,0x00,0x00,0x00,	// 100000:	nop
-	0x00,0x00,0x00,0x00,	// 100004:	nop
-	0x00,0x00,0x00,0x00,	// 100008:	nop
-	0x00,0x00,0x00,0x00,	// 10000C:	nop
+    0x00,0x00,0x00,0x00,	// 100000:	nop
+    0x00,0x00,0x00,0x00,	// 100004:	nop
+    0x00,0x00,0x00,0x00,	// 100008:	nop
+    0x00,0x00,0x00,0x00,	// 10000C:	nop
 };
 bool test_passed_ok = false;
 
@@ -47,12 +47,12 @@ bool test_passed_ok = false;
 // This hook is used to show that code is executing in the emulator.
 static void mips_codehook(uc_engine *uc, uint64_t address, uint32_t size, void *user_data)
 {
-	printf("Executing: %llX\n", address);
-	if( address == 0x100008 )
-	{
-		printf("Stopping at: %llX\n", address);
-		uc_emu_stop(uc);
-	}
+    printf("Executing: %llX\n", address);
+    if( address == 0x100008 )
+    {
+        printf("Stopping at: %llX\n", address);
+        uc_emu_stop(uc);
+    }
 }
 
 
@@ -60,74 +60,74 @@ int main(int argc, char **argv, char **envp)
 {
     uc_engine *uc;
     uc_err err;
-	int ret;
-	uc_hook hhc;
-	uint32_t val;
+    int ret;
+    uc_hook hhc;
+    uint32_t val;
 
-	// dynamically load shared library
+    // dynamically load shared library
 #ifdef DYNLOAD
-	uc_dyn_load(NULL, 0);
+    uc_dyn_load(NULL, 0);
 #endif
 
-	// Initialize emulator in MIPS 32bit little endian mode
+    // Initialize emulator in MIPS 32bit little endian mode
     printf("uc_open()\n");
-	err = uc_open(UC_ARCH_MIPS, UC_MODE_MIPS32, &uc);
+    err = uc_open(UC_ARCH_MIPS, UC_MODE_MIPS32, &uc);
     if (err)
-	{
+    {
         printf("Failed on uc_open() with error returned: %u\n", err);
         return err;
     }
 
-	// map in a page of mem
-	printf("uc_mem_map()\n");
-	err = uc_mem_map(uc, addr, 0x1000, UC_PROT_ALL);
+    // map in a page of mem
+    printf("uc_mem_map()\n");
+    err = uc_mem_map(uc, addr, 0x1000, UC_PROT_ALL);
     if (err)
-	{
+    {
         printf("Failed on uc_mem_map() with error returned: %u\n", err);
         return err;
     }
 
-	// write machine code to be emulated to memory
-	printf("uc_mem_write()\n");
+    // write machine code to be emulated to memory
+    printf("uc_mem_write()\n");
     err = uc_mem_write(uc, addr, test_code, sizeof(test_code));
-	if( err )
-	{
+    if( err )
+    {
         printf("Failed on uc_mem_write() with error returned: %u\n", err);
         return err;
     }
-	
+
     // hook all instructions by having @begin > @end
-	printf("uc_hook_add()\n");
+    printf("uc_hook_add()\n");
     uc_hook_add(uc, &hhc, UC_HOOK_CODE, mips_codehook, NULL, (uint64_t)1, (uint64_t)0);
-	if( err )
-	{
+    if( err )
+    {
         printf("Failed on uc_hook_add(code) with error returned: %u\n", err);
         return err;
     }
-	
-	// start executing code
-	printf("uc_emu_start()\n");
-	uc_emu_start(uc, addr, addr+sizeof(test_code), 0, 0);
+
+    // start executing code
+    printf("uc_emu_start()\n");
+    uc_emu_start(uc, addr, addr+sizeof(test_code), 0, 0);
 
 
-	// done executing, print some reg values as a test
-	uc_reg_read(uc, UC_MIPS_REG_PC, &val);	printf("pc is %X\n", val);
-	test_passed_ok = val == 0x100008;
-	
-	// free resources
-	printf("uc_close()\n");
-	uc_close(uc);
-	
-	if( test_passed_ok )
-		printf("\n\nTEST PASSED!\n\n");
-	else
-		printf("\n\nTEST FAILED!\n\n");
+    // done executing, print some reg values as a test
+    uc_reg_read(uc, UC_MIPS_REG_PC, &val);	printf("pc is %X\n", val);
+    test_passed_ok = val == 0x100008;
 
-	// dynamically free shared library
+    // free resources
+    printf("uc_close()\n");
+    uc_close(uc);
+
+    if( test_passed_ok )
+        printf("\n\nTEST PASSED!\n\n");
+    else
+        printf("\n\nTEST FAILED!\n\n");
+
+    // dynamically free shared library
 #ifdef DYNLOAD
     uc_dyn_free();
 #endif
 
-	return 0;
+    return 0;
 }