diff --git a/include/ring-core/target.h b/include/ring-core/target.h
index ca8b2bea50..33679639b4 100644
--- a/include/ring-core/target.h
+++ b/include/ring-core/target.h
@@ -52,7 +52,6 @@
 #define OPENSSL_RISCV64
 #elif defined(__riscv) && __SIZEOF_POINTER__ == 4
 #define OPENSSL_32_BIT
-#define OPENSSL_RISCV32
 #elif defined(__s390x__)
 #define OPENSSL_64_BIT
 #define OPENSSL_S390X
diff --git a/src/rand.rs b/src/rand.rs
index 809791c79c..80921b8148 100644
--- a/src/rand.rs
+++ b/src/rand.rs
@@ -143,6 +143,7 @@ impl crate::sealed::Sealed for SystemRandom {}
     target_os = "tvos",
     target_os = "vita",
     target_os = "windows",
+    target_os = "espidf",
     all(
         target_arch = "wasm32",
         any(