diff --git a/engine/joint/v4k.h b/engine/joint/v4k.h
index d9d64db..7fa8ca2 100644
--- a/engine/joint/v4k.h
+++ b/engine/joint/v4k.h
@@ -392989,7 +392989,7 @@ int window_swap() {
         if(!stbi_write_png(va("tests/out/%s.png", argv(0)), w, h, 3, rgb, 3 * w) ) {
             PANIC("!could not write screenshot file `%s`\n", screenshot_file);
         }
-        exit(0);
+        return 0;
     }
 
     return 1;
diff --git a/engine/split/v4k_window.c b/engine/split/v4k_window.c
index 1ced7b3..4b3d6ad 100644
--- a/engine/split/v4k_window.c
+++ b/engine/split/v4k_window.c
@@ -666,7 +666,7 @@ int window_swap() {
         if(!stbi_write_png(va("tests/out/%s.png", argv(0)), w, h, 3, rgb, 3 * w) ) {
             PANIC("!could not write screenshot file `%s`\n", screenshot_file);
         }
-        exit(0);
+        return 0;
     }
 
     return 1;
diff --git a/engine/v4k.c b/engine/v4k.c
index 78d1601..745d657 100644
--- a/engine/v4k.c
+++ b/engine/v4k.c
@@ -27529,7 +27529,7 @@ int window_swap() {
         if(!stbi_write_png(va("tests/out/%s.png", argv(0)), w, h, 3, rgb, 3 * w) ) {
             PANIC("!could not write screenshot file `%s`\n", screenshot_file);
         }
-        exit(0);
+        return 0;
     }
 
     return 1;