diff --git a/esc-1.1.1-fix3.patch b/esc-1.1.1-fix3.patch
new file mode 100644
index 0000000..d80da89
--- /dev/null
+++ b/esc-1.1.1-fix3.patch
@@ -0,0 +1,12 @@
+diff -up ./esc/src/xulrunner/xulrunner-45.9.0/firefox-45.9.0esr/xpcom/io/nsLocalFileUnix.cpp.fix3 ./esc/src/xulrunner/xulrunner-45.9.0/firefox-45.9.0esr/xpcom/io/nsLocalFileUnix.cpp
+--- ./esc/src/xulrunner/xulrunner-45.9.0/firefox-45.9.0esr/xpcom/io/nsLocalFileUnix.cpp.fix3	2018-06-07 18:38:45.365998075 -0700
++++ ./esc/src/xulrunner/xulrunner-45.9.0/firefox-45.9.0esr/xpcom/io/nsLocalFileUnix.cpp	2018-06-07 18:40:52.597296294 -0700
+@@ -10,7 +10,7 @@
+ 
+ #include "mozilla/ArrayUtils.h"
+ #include "mozilla/Attributes.h"
+-
++#include <sys/sysmacros.h>
+ #include <sys/types.h>
+ #include <sys/stat.h>
+ #include <unistd.h>
diff --git a/esc.spec b/esc.spec
index 1dbd84d..667975e 100644
--- a/esc.spec
+++ b/esc.spec
@@ -12,6 +12,7 @@ Group: Applications/Internet
 
 Patch1: esc-1.1.1-fix1.patch
 Patch2: esc-1.1.1-fix2.patch
+Patch3: esc-1.1.1-fix3.patch
 
 BuildRequires: doxygen fontconfig-devel
 BuildRequires: glib2-devel atk-devel
@@ -123,6 +124,7 @@ cryptographic smartcards.
 
 %patch1 -p1 -b .fix1
 %patch2 -p1 -b .fix2
+%patch3 -p1 -b .fix3
 
 r=$(uname -r | sed -e 's/\(^[^.]*\.[^.]*\).*/\1/')
 [ -f esc/coreconf/Linux$r.mk ] || ln -s Linux3.5.mk esc/coreconf/Linux$r.mk