diff --git a/wolfssl/wolfcrypt/settings.h b/wolfssl/wolfcrypt/settings.h
index c88e3798f..ca5fd4880 100644
--- a/wolfssl/wolfcrypt/settings.h
+++ b/wolfssl/wolfcrypt/settings.h
@@ -2290,6 +2290,10 @@ extern void uITRON4_free(void *p) ;
     #if defined(HAVE_IO_POOL) || defined(XMALLOC_USER) || defined(NO_WOLFSSL_MEMORY)
          #error static memory cannot be used with HAVE_IO_POOL, XMALLOC_USER or NO_WOLFSSL_MEMORY
     #endif
+    #if !defined(WOLFSSL_SP_MATH_ALL) && !defined(USE_FAST_MATH) && \
+        !defined(WOLFSSL_SP_MATH) && !defined(NO_BIG_INT)
+         #error The static memory option is only supported for fast math or SP Math
+    #endif
     #ifdef WOLFSSL_SMALL_STACK
         #error static memory does not support small stack please undefine
     #endif