3 files changed, 7 insertions, 7 deletions
diff --git a/class.c b/class.c
index 284cfa26aa..d140e8adea 100644
--- a/class.c
+++ b/class.c
@@ -1782,7 +1782,7 @@ rb_keyword_error_new(const char *error, VALUE keys)
     if (len > 0) {
 	rb_str_cat_cstr(error_message, ": ");
 	while (1) {
-	    const VALUE k = RARRAY_AREF(keys, i);
+            const VALUE k = RARRAY_AREF(keys, i);
 	    Check_Type(k, T_SYMBOL); /* wrong hash is given to rb_get_kwargs */
 	    rb_str_append(error_message, rb_sym2str(k));
 	    if (++i >= len) break;
diff --git a/gc.c b/gc.c
index fb2d4a40d6..de0cb61f38 100644
--- a/gc.c
+++ b/gc.c
@@ -2800,10 +2800,10 @@ define_final0(VALUE obj, VALUE block)
 	    long len = RARRAY_LEN(table);
 	    long i;
 
-	    for (i = 0; i < len; i++) {
+            for (i = 0; i < len; i++) {
                 VALUE recv = RARRAY_AREF(table, i);
-		if (rb_funcall(recv, idEq, 1, block)) {
-		    return recv;
+                if (rb_funcall(recv, idEq, 1, block)) {
+                    return recv;
 		}
 	    }
 	}
diff --git a/struct.c b/struct.c
index 6d5f204c7a..bed3a68ad4 100644
--- a/struct.c
+++ b/struct.c
@@ -156,7 +156,7 @@ struct_member_pos(VALUE s, VALUE name)
 		     mask, RSTRUCT_LEN(s));
 	}
 	for (j = 0; j < mask; j++) {
-	    if (RARRAY_AREF(back, j) == name)
+            if (RARRAY_AREF(back, j) == name)
 		return (int)j;
 	}
 	return -1;
@@ -172,8 +172,8 @@ struct_member_pos(VALUE s, VALUE name)
 
     for (;;) {
         VALUE e = RARRAY_AREF(back, j);
-	if (e == name)
-	    return FIX2INT(RARRAY_AREF(back, j + 1));
+        if (e == name)
+            return FIX2INT(RARRAY_AREF(back, j + 1));
         if (!RTEST(e)) {
 	    return -1;
 	}