diff --git a/config.h b/config.h
index f9a6a96..2f50d30 100644
--- a/config.h
+++ b/config.h
@@ -169,12 +169,12 @@ static const Rule rules[] = {
     RULE(.class = "St", .isfloating = 0)
     RULE(.class = "Ferdium", .monitor = 1, .tags = 1 << 0)
     RULE(.class = "Thunderbird", .monitor = 1, .tags = 1 << 1)
-    RULE(.instance = "sphelp", .scratchkey = 'h', .isfloating = 1, .iscentered = true, .floatpos = "50% 50% 40% 80%")
-    RULE(.instance = "spcalc", .scratchkey = 'c', .isfloating = 1, .iscentered = true, .floatpos = "50% 50% 40% 80%")
-    RULE(.instance = "spterm", .scratchkey = 't', .isfloating = 1, .iscentered = true, .floatpos = "50% 50% 80% 80%")
-    RULE(.instance = "spfile", .scratchkey = 'f', .isfloating = 1, .iscentered = true, .floatpos = "50% 50% 80% 80%")
-    RULE(.instance = "spproc", .scratchkey = 'p', .isfloating = 1, .iscentered = true, .floatpos = "50% 50% 80% 80%")
-    RULE(.instance = "spwiki", .scratchkey = 'w', .isfloating = 1, .iscentered = true, .floatpos = "50% 50% 80% 80%")
+    RULE(.instance = "sphelp", .scratchkey = 'h', .isfloating = 1, .iscentered = 1, .floatpos = "50% 50% 40% 80%")
+    RULE(.instance = "spcalc", .scratchkey = 'c', .isfloating = 1, .iscentered = 1, .floatpos = "50% 50% 40% 80%")
+    RULE(.instance = "spterm", .scratchkey = 't', .isfloating = 1, .iscentered = 1, .floatpos = "50% 50% 80% 80%")
+    RULE(.instance = "spfile", .scratchkey = 'f', .isfloating = 1, .iscentered = 1, .floatpos = "50% 50% 80% 80%")
+    RULE(.instance = "spproc", .scratchkey = 'p', .isfloating = 1, .iscentered = 1, .floatpos = "50% 50% 80% 80%")
+    RULE(.instance = "spwiki", .scratchkey = 'w', .isfloating = 1, .iscentered = 1, .floatpos = "50% 50% 80% 80%")
     RULE(.instance = "spvolm", .scratchkey = 'v', .isfloating = 1, .floatpos = "100% 100% 900W 600H")
     RULE(.instance = "spinet", .scratchkey = 'i', .isfloating = 1, .floatpos = "100% 100% 800W 800H")
 };