diff --git a/utils/wasm-gen/src/generator/syscalls/invocator.rs b/utils/wasm-gen/src/generator/syscalls/invocator.rs
index 97437400950..f70ab7edaa8 100644
--- a/utils/wasm-gen/src/generator/syscalls/invocator.rs
+++ b/utils/wasm-gen/src/generator/syscalls/invocator.rs
@@ -653,7 +653,9 @@ impl<'a, 'b> SyscallsInvocator<'a, 'b> {
                         // Alloc syscall: returns u32::MAX (= -1i32) in case of error.
                         -1
                     }
-                    ParamType::Regular(RegularParamType::Free | RegularParamType::FreeUpperBound) => {
+                    ParamType::Regular(
+                        RegularParamType::Free | RegularParamType::FreeUpperBound,
+                    ) => {
                         // Free/FreeRange syscall: returns 1 in case of error.
                         1
                     }
diff --git a/utils/wasm-instrument/src/syscalls.rs b/utils/wasm-instrument/src/syscalls.rs
index 06a967f8138..cd5f3b08a99 100644
--- a/utils/wasm-instrument/src/syscalls.rs
+++ b/utils/wasm-instrument/src/syscalls.rs
@@ -607,7 +607,7 @@ pub enum RegularParamType {
     Handler,               // i32 handler number
     Alloc,                 // i32 pages to alloc
     Free,                  // i32 page number to free
-    FreeUpperBound,        // i32 free upper bound for use with free_range. Should be placed after Free in fn signature
+    FreeUpperBound,        // i32 free upper bound for use with free_range
     Version,               // i32 version number of exec settings
 }