diff --git a/src/bun.js/bindings/ProcessBindingConstants.cpp b/src/bun.js/bindings/ProcessBindingConstants.cpp
index a029ed3a43..8db61a6e72 100644
--- a/src/bun.js/bindings/ProcessBindingConstants.cpp
+++ b/src/bun.js/bindings/ProcessBindingConstants.cpp
@@ -907,18 +907,26 @@ static JSValue processBindingConstantsGetCrypto(VM& vm, JSObject* bindingObject)
 #endif
 #ifdef RSA_X931_PADDING
     object->putDirect(vm, PropertyName(Identifier::fromString(vm, "RSA_X931_PADDING"_s)), jsNumber(RSA_X931_PADDING));
+#else
+    object->putDirect(vm, PropertyName(Identifier::fromString(vm, "RSA_X931_PADDING"_s)), jsNumber(5));
 #endif
 #ifdef RSA_PKCS1_PSS_PADDING
     object->putDirect(vm, PropertyName(Identifier::fromString(vm, "RSA_PKCS1_PSS_PADDING"_s)), jsNumber(RSA_PKCS1_PSS_PADDING));
 #endif
 #ifdef RSA_PSS_SALTLEN_DIGEST
     object->putDirect(vm, PropertyName(Identifier::fromString(vm, "RSA_PSS_SALTLEN_DIGEST"_s)), jsNumber(RSA_PSS_SALTLEN_DIGEST));
+#else
+    object->putDirect(vm, PropertyName(Identifier::fromString(vm, "RSA_PSS_SALTLEN_DIGEST"_s)), jsNumber(-1));
 #endif
 #ifdef RSA_PSS_SALTLEN_MAX_SIGN
     object->putDirect(vm, PropertyName(Identifier::fromString(vm, "RSA_PSS_SALTLEN_MAX_SIGN"_s)), jsNumber(RSA_PSS_SALTLEN_MAX_SIGN));
+#else
+    object->putDirect(vm, PropertyName(Identifier::fromString(vm, "RSA_PSS_SALTLEN_MAX_SIGN"_s)), jsNumber(-2));
 #endif
 #ifdef RSA_PSS_SALTLEN_AUTO
     object->putDirect(vm, PropertyName(Identifier::fromString(vm, "RSA_PSS_SALTLEN_AUTO"_s)), jsNumber(RSA_PSS_SALTLEN_AUTO));
+#else
+    object->putDirect(vm, PropertyName(Identifier::fromString(vm, "RSA_PSS_SALTLEN_AUTO"_s)), jsNumber(-2));
 #endif
     auto cipherList = String("TLS_AES_256_GCM_SHA384:"
                              "TLS_CHACHA20_POLY1305_SHA256:"