diff --git a/eval_intern.h b/eval_intern.h
index 266a84601e..347453f4e8 100644
--- a/eval_intern.h
+++ b/eval_intern.h
@@ -33,7 +33,11 @@ pass_passed_block_handler(rb_execution_context_t *ec)
 #endif
 
 #include <stdio.h>
-#include <setjmp.h>
+#if defined(__wasm__) && !defined(__EMSCRIPTEN__)
+# include "wasm/setjmp.h"
+#else
+# include <setjmp.h>
+#endif
 
 #ifdef __APPLE__
 # ifdef HAVE_CRT_EXTERNS_H
diff --git a/gc.c b/gc.c
index aca15ad426..0d5a1336b3 100644
--- a/gc.c
+++ b/gc.c
@@ -28,7 +28,11 @@
 #include <sys/mman.h>
 #endif
 
-#include <setjmp.h>
+#if defined(__wasm__) && !defined(__EMSCRIPTEN__)
+# include "wasm/setjmp.h"
+#else
+# include <setjmp.h>
+#endif
 #include <stdarg.h>
 #include <stdio.h>
 
diff --git a/vm_core.h b/vm_core.h
index 11866b85e5..12f563df17 100644
--- a/vm_core.h
+++ b/vm_core.h
@@ -62,7 +62,11 @@
 #define VM_UNREACHABLE(func) UNREACHABLE
 #endif
 
-#include <setjmp.h>
+#if defined(__wasm__) && !defined(__EMSCRIPTEN__)
+# include "wasm/setjmp.h"
+#else
+# include <setjmp.h>
+#endif
 
 #include "ruby/internal/stdbool.h"
 #include "ccan/list/list.h"