diff --git a/programs/fileio.c b/programs/fileio.c
index ea84853c7..58b77a813 100644
--- a/programs/fileio.c
+++ b/programs/fileio.c
@@ -457,7 +457,9 @@ static cRess_t FIO_createCResources(const char* dictFileName, int cLevel,
         /* multi-threading */
         DISPLAYLEVEL(5,"set nb threads = %u \n", g_nbThreads);
         CHECK( ZSTD_CCtx_setParameter(ress.cctx, ZSTD_p_nbThreads, g_nbThreads) );
+#ifdef ZSTD_MULTITHREAD
         CHECK( ZSTD_CCtx_setParameter(ress.cctx, ZSTD_p_nonBlockingMode, 1) );
+#endif
         /* dictionary */
         CHECK( ZSTD_CCtx_setPledgedSrcSize(ress.cctx, srcSize) );  /* just for dictionary loading, for compression parameters adaptation */
         CHECK( ZSTD_CCtx_loadDictionary(ress.cctx, dictBuffer, dictBuffSize) );