diff --git a/src/backtrace/mod.rs b/src/backtrace/mod.rs
index 2a36214b..99b1cabc 100644
--- a/src/backtrace/mod.rs
+++ b/src/backtrace/mod.rs
@@ -174,6 +174,7 @@ cfg_if::cfg_if! {
         any(
             all(
                 unix,
+                not(target_family = "wasm"),
                 not(target_os = "emscripten"),
                 not(all(target_os = "ios", target_arch = "arm")),
             ),
diff --git a/src/symbolize/mod.rs b/src/symbolize/mod.rs
index d221ce80..9f7b9cfc 100644
--- a/src/symbolize/mod.rs
+++ b/src/symbolize/mod.rs
@@ -438,7 +438,7 @@ cfg_if::cfg_if! {
         mod dbghelp;
         use dbghelp as imp;
     } else if #[cfg(all(
-        any(unix, all(windows, target_env = "gnu")),
+        any(all(unix, not(target_family = "wasm")), all(windows, target_env = "gnu")),
         not(target_vendor = "uwp"),
         not(target_os = "emscripten"),
         any(not(backtrace_in_libstd), feature = "backtrace"),