diff --git a/uppbox/Scripts/updateinfo.txt b/uppbox/Scripts/updateinfo.txt
index 548eaa72f..b4fa528fb 100644
--- a/uppbox/Scripts/updateinfo.txt
+++ b/uppbox/Scripts/updateinfo.txt
@@ -303,6 +303,11 @@ Fix includes:
 
 (remove ../common)
 
+Add:
+
+#define ZSTD_DISABLE_ASM
+
+somewhere...
 
 initial 1.3.2
 2019-03-26: 1.3.8
diff --git a/uppsrc/plugin/zstd/lib/portability_macros.h b/uppsrc/plugin/zstd/lib/portability_macros.h
index e50314a78..a8a3b3f0f 100644
--- a/uppsrc/plugin/zstd/lib/portability_macros.h
+++ b/uppsrc/plugin/zstd/lib/portability_macros.h
@@ -116,6 +116,8 @@
 #  define ZSTD_ASM_SUPPORTED 0
 #endif
 
+#define ZSTD_DISABLE_ASM
+
 /**
  * Determines whether we should enable assembly for x86-64
  * with BMI2.