diff --git a/src/main/subset.c b/src/main/subset.c
index a9371f3fbfc..742d2b88ac9 100644
--- a/src/main/subset.c
+++ b/src/main/subset.c
@@ -179,14 +179,14 @@ attribute_hidden SEXP ExtractSubset(SEXP x, SEXP indx, SEXP call)
 	break;
     case VECSXP:
     case EXPRSXP:
-        /* Is `VECTOR_ELT_FIX_NAMED()` still needed? If not, split out VECSXP */
+	/* Is `VECTOR_ELT_FIX_NAMED()` still needed? If not, split out VECSXP */
 	/* case and use `DATAPTR_OR_NULL()` there too. Currently it never */
 	/* takes the `px[ii]` path - DV. */
-        EXTRACT_SUBSET_LOOP(const SEXP *px = NULL,
+	EXTRACT_SUBSET_LOOP(const SEXP *px = NULL,
 			    SET_VECTOR_ELT(result, i, px[ii]),
 			    SET_VECTOR_ELT(result, i, VECTOR_ELT_FIX_NAMED(x, ii)),
 			    SET_VECTOR_ELT(result, i, R_NilValue));
-        break;
+	break;
     case RAWSXP:
 	EXTRACT_SUBSET_LOOP(const Rbyte* px = (const Rbyte*) DATAPTR_OR_NULL(x),
 			    RAW0(result)[i] = px[ii],