diff --git a/src-input/duk_bi_symbol.c b/src-input/duk_bi_symbol.c
index 789a7dadad..c5c52ef3cb 100644
--- a/src-input/duk_bi_symbol.c
+++ b/src-input/duk_bi_symbol.c
@@ -16,7 +16,7 @@ DUK_INTERNAL duk_ret_t duk_bi_symbol_constructor_shared(duk_hthread *thr) {
 	duk_uint8_t *buf;
 	duk_uint8_t *p;
 	duk_int_t magic;
-  duk_int_t flen;
+	duk_int_t flen;
 
 	magic = duk_get_current_magic(thr);
 	if (duk_is_undefined(thr, 0) && (magic == 0)) {
@@ -63,16 +63,16 @@ DUK_INTERNAL duk_ret_t duk_bi_symbol_constructor_shared(duk_hthread *thr) {
 			thr->heap->sym_counter[1]++;
 		}
 
-    flen = DUK_SNPRINTF((char *) p,
-                        1 + 17 + 1, /* B || format || C for NUL */
-                        "\xFF" "%lx-%lx",
-                        (unsigned long) thr->heap->sym_counter[1],
-                        (unsigned long) thr->heap->sym_counter[0]);
+	flen = DUK_SNPRINTF((char *) p,
+	                1 + 17 + 1, /* B || format || C for NUL */
+	                "\xFF" "%lx-%lx",
+	                (unsigned long) thr->heap->sym_counter[1],
+	                (unsigned long) thr->heap->sym_counter[0]);
 
-    /* make sure that we had enough room to format the symbol */
-    DUK_ASSERT(flen > 0 && flen <= 1 + 17 /* without + 1 for NUL */);
+	/* make sure that we had enough room to format the symbol */
+	DUK_ASSERT(flen > 0 && flen <= 1 + 17 /* without + 1 for NUL */);
 
-    p += flen;
+	p += flen;
 
 		if (desc == NULL) {
 			/* Special case for 'undefined' description, trailing
diff --git a/src-input/duk_numconv.c b/src-input/duk_numconv.c
index 5b157a9065..47a44f7882 100644
--- a/src-input/duk_numconv.c
+++ b/src-input/duk_numconv.c
@@ -95,35 +95,35 @@ DUK_LOCAL void duk__bi_print(const char *name, duk__bigint *x) {
 
 	/* No NUL term checks in this debug code. */
 	flen = DUK_SNPRINTF(p, 64, "%p n=%ld", (void *) x, (long) x->n);
-  if (flen > 63) {
-    p += 63;
-  } else if (flen > 0) {
-    p += flen;
-  }
+	if (flen > 63) {
+		p += 63;
+	} else if (flen > 0) {
+		p += flen;
+	}
 
 	if (x->n == 0) {
-    DUK_ASSERT(p - buf < sizeof(buf));
+		DUK_ASSERT(p - buf < sizeof(buf));
 
 		flen = DUK_SNPRINTF(p, 3, " 0");
-    if (flen > 2) {
-      p += 2;
-    } else if (flen > 0) {
-      p += flen;
-    }
+		if (flen > 2) {
+			p += 2;
+		} else if (flen > 0) {
+			p += flen;
+		}
 	}
 	for (i = x->n - 1; i >= 0; i--) {
-    DUK_ASSERT(p - buf < sizeof(buf));
-
-	  flen = DUK_SNPRINTF(p, 10, " %08lx", (unsigned long) x->v[i]);
-    if (flen > 9) {
-      p += 9;
-    } else if (flen > 0) {
-      p += flen;
-    }
+		DUK_ASSERT(p - buf < sizeof(buf));
+
+		flen = DUK_SNPRINTF(p, 10, " %08lx", (unsigned long) x->v[i]);
+		if (flen > 9) {
+			p += 9;
+		} else if (flen > 0) {
+			p += flen;
+		}
 	}
 
-  *p = 0; /* finally, NUL terminate buf regardless of snprintf */
-  DUK_ASSERT(p - buf < sizeof(buf));
+	*p = 0; /* finally, NUL terminate buf regardless of snprintf */
+	DUK_ASSERT(p - buf < sizeof(buf));
 
 	DUK_DDD(DUK_DDDPRINT("%s: %s", (const char *) name, (const char *) buf));
 }