diff --git a/js/public/WasmFeatures.h b/js/public/WasmFeatures.h
index c48f4503aa81..97b13b49d3fa 100644
--- a/js/public/WasmFeatures.h
+++ b/js/public/WasmFeatures.h
@@ -132,8 +132,7 @@
                /* lower case name    */ v128Relaxed,                          \
                /* compile predicate  */ WASM_RELAXED_SIMD_ENABLED,            \
                /* compiler predicate */ AnyCompilerAvailable(cx),             \
-               /* flag predicate     */ !IsFuzzingCranelift(cx) &&            \
-               js::jit::JitSupportsWasmSimd(),                                \
+               /* flag predicate     */ WasmSimdFlag(cx),                     \
                /* shell flag         */ "relaxed-simd",                       \
                /* preference name    */ "relaxed_simd")                       \
   EXPERIMENTAL(/* capitalized name   */ Memory64,                             \
diff --git a/js/src/jit-test/tests/wasm/simd/experimental.js b/js/src/jit-test/tests/wasm/simd/experimental.js
index 6727909836ad..94f95778a857 100644
--- a/js/src/jit-test/tests/wasm/simd/experimental.js
+++ b/js/src/jit-test/tests/wasm/simd/experimental.js
@@ -1,4 +1,4 @@
-// |jit-test| --wasm-relaxed-simd; skip-if: !wasmSimdEnabled()
+// |jit-test| --wasm-relaxed-simd; skip-if: !wasmRelaxedSimdEnabled()
 
 // Experimental opcodes.  We have no text parsing support for these yet.  The
 // tests will be cleaned up and moved into ad-hack.js if the opcodes are