diff --git a/system/boot/efivar/actions.py b/system/boot/efivar/actions.py
index 0d9479d6e0..a0985ad447 100644
--- a/system/boot/efivar/actions.py
+++ b/system/boot/efivar/actions.py
@@ -10,8 +10,9 @@ from pisi.actionsapi import pisitools
 from pisi.actionsapi import get
 
 def build():
-    shelltools.export("CFLAGS", "-Os")
+    shelltools.export("CFLAGS", "-Os -O2 -Wno-stringop-truncation")
     pisitools.dosed("Make.defaults","-O0","-Os")
+    pisitools.system("sed -i 's/-Werror //' Make.defaults || die")
     pisitools.dosed("src/test/Makefile","-rpath=$(TOPDIR)/src/","-rpath=$(libdir)|g")
     autotools.make("libdir=/usr/lib bindir=/usr/bin includedir=/usr/include/ V=1 -j1")
 
diff --git a/system/boot/efivar/pspec.xml b/system/boot/efivar/pspec.xml
index 6b19b7c0ce..7db18a9645 100644
--- a/system/boot/efivar/pspec.xml
+++ b/system/boot/efivar/pspec.xml
@@ -54,6 +54,13 @@
     </Package>
 
     <History>
+        <Update release="10">
+            <Date>2021-07-16</Date>
+            <Version>37</Version>
+            <Comment>Rebuild.</Comment>
+            <Name>Mustafa Cinasal</Name>
+            <Email>muscnsl@gmail.com</Email>
+        </Update>
         <Update release="9">
             <Date>2020-01-25</Date>
             <Version>37</Version>