diff --git a/c2rust-transpile/tests/snapshots/main.c b/c2rust-transpile/tests/snapshots/main_fn.c
similarity index 100%
rename from c2rust-transpile/tests/snapshots/main.c
rename to c2rust-transpile/tests/snapshots/main_fn.c
diff --git a/c2rust-transpile/tests/snapshots/snapshots__transpile@main.c.snap b/c2rust-transpile/tests/snapshots/snapshots__transpile@main_fn.c.snap
similarity index 94%
rename from c2rust-transpile/tests/snapshots/snapshots__transpile@main.c.snap
rename to c2rust-transpile/tests/snapshots/snapshots__transpile@main_fn.c.snap
index 528de96c9c..59d3df0542 100644
--- a/c2rust-transpile/tests/snapshots/snapshots__transpile@main.c.snap
+++ b/c2rust-transpile/tests/snapshots/snapshots__transpile@main_fn.c.snap
@@ -1,7 +1,7 @@
 ---
 source: c2rust-transpile/tests/snapshots.rs
-expression: cat tests/snapshots/main.rs
-input_file: c2rust-transpile/tests/snapshots/main.c
+expression: cat tests/snapshots/main_fn.rs
+input_file: c2rust-transpile/tests/snapshots/main_fn.c
 ---
 #![allow(
     dead_code,