diff --git a/src/cats/plants/juveniles.c b/src/cats/plants/juveniles.c
index 34b9096e793918f1a4427610dc1750d8c00de562..010876337f050000f6bd887f89553e0c4cf72d7c 100644
--- a/src/cats/plants/juveniles.c
+++ b/src/cats/plants/juveniles.c
@@ -96,7 +96,7 @@ cell_maturation(struct cats_grid *grid, struct cats_thread_info *ts, cats_dt_coo
         struct cats_configuration *conf = ts->conf;
         // should have been checked in the calling function
 #ifdef CATS_ON_WINDOWS
-        if (cell_excluded_by_overlay(conf, row, col) ==  false) { return 0; }
+        if (cell_excluded_by_overlay(conf, row, col)) { return 0; }
 #else
         if (__builtin_expect(cell_excluded_by_overlay(conf, row, col), false)) { return 0; }
 #endif
diff --git a/src/cats/plants/seeds.c b/src/cats/plants/seeds.c
index 2c4b0ecec7ac65b0ef6d720fc36ce65fba95e976..797e98fc5733883ff0b8a98f14a3b288d012d36f 100644
--- a/src/cats/plants/seeds.c
+++ b/src/cats/plants/seeds.c
@@ -77,7 +77,7 @@ void cell_seed_production(struct cats_grid *grid, cats_dt_coord row, cats_dt_coo
 
         const struct cats_configuration *conf = grid->conf;
 #ifdef CATS_ON_WINDOWS
-        if (cell_excluded_by_overlay(conf, row, col) ==  false) { return; }
+        if (cell_excluded_by_overlay(conf, row, col)) { return; }
 #else
         if (__builtin_expect(cell_excluded_by_overlay(conf, row, col), false)) { return; }
 #endif