diff --git a/patches/pertag/pertag.patch b/patches/pertag/pertag.patch
index 50fac90..b31cab4 100644
--- a/patches/pertag/pertag.patch
+++ b/patches/pertag/pertag.patch
@@ -108,7 +108,7 @@ index bf763df..99e2550 100644
  	if (!(newtagset = selmon ? selmon->tagset[selmon->seltags] ^ (arg->ui & TAGMASK) : 0))
  		return;
  
-+	if (newtagset == TAGMASK) {
++	if (newtagset == ~0) {
 +		selmon->pertag->prevtag = selmon->pertag->curtag;
 +		selmon->pertag->curtag = 0;
 +	}
@@ -144,7 +144,7 @@ index bf763df..99e2550 100644
  		selmon->tagset[selmon->seltags] = arg->ui & TAGMASK;
 +		selmon->pertag->prevtag = selmon->pertag->curtag;
 +
-+		if (arg->ui == TAGMASK)
++		if (arg->ui == ~0)
 +			selmon->pertag->curtag = 0;
 +		else {
 +			for (i = 0; !(arg->ui & 1 << i); i++) ;