diff --git a/include/mbedtls/config_adjust_legacy_crypto.h b/include/mbedtls/config_adjust_legacy_crypto.h
index 66bad0c812..8f70a27188 100644
--- a/include/mbedtls/config_adjust_legacy_crypto.h
+++ b/include/mbedtls/config_adjust_legacy_crypto.h
@@ -59,14 +59,14 @@
 #define MBEDTLS_ENTROPY_HARDWARE_ALT_DEFINED 0
 #endif
 #if defined(MBEDTLS_NO_PLATFORM_ENTROPY)
-#define MBEDTLS_PLATFORM_ENTROPY_DEFINED 1
+#define MBEDTLS_PLATFORM_ENTROPY_ENABLED 0
 #else
-#define MBEDTLS_PLATFORM_ENTROPY_DEFINED 0
+#define MBEDTLS_PLATFORM_ENTROPY_ENABLED 1
 #endif
 
 #define MBEDTLS_ENTROPY_TRUE_SOURCES ( \
         MBEDTLS_ENTROPY_HARDWARE_ALT_DEFINED + \
-        MBEDTLS_PLATFORM_ENTROPY_DEFINED + \
+        MBEDTLS_PLATFORM_ENTROPY_ENABLED + \
         0)
 
 /* Whether there is at least one entropy source for the entropy module.