diff -Naur -x '*.orig' -x '*.rej' 10.9-0/FreeFileSync/Source/Makefile 10.9-1/FreeFileSync/Source/Makefile
--- 10.3-0/FreeFileSync/Source/Makefile	2019-02-10 22:01:42.138160180 -0500
+++ 10.9-1/FreeFileSync/Source/Makefile	2019-02-11 21:48:19.729739859 -0500
@@ -1,10 +1,10 @@
-EXENAME = FreeFileSync_$(shell arch)
+EXENAME = FreeFileSync
 
 CXXFLAGS = -std=c++17 -pipe -DWXINTL_NO_GETTEXT_MACRO -DLIBSSH2_OPENSSL -I../.. -I../../zenXml -include "zen/i18n.h" -include "zen/warn_static.h" \
            -Wall -Wfatal-errors -Wmissing-include-dirs -Wswitch-enum -Wcast-align -Wshadow -Wnon-virtual-dtor \
            -O3 -DNDEBUG `wx-config --cxxflags --debug=no` -pthread
 
-LINKFLAGS = -s -no-pie `wx-config --libs std, aui --debug=no` -pthread
+LINKFLAGS = -s -no-pie `wx-config --libs std, aui --debug=no` -lz -pthread
 
 
 CXXFLAGS  += `pkg-config --cflags openssl`
diff -Naur -x '*.orig' -x '*.rej' 10.9-0/FreeFileSync/Source/RealTimeSync/Makefile 10.9-1/FreeFileSync/Source/RealTimeSync/Makefile
--- 10.3-0/FreeFileSync/Source/RealTimeSync/Makefile	2019-02-10 22:01:42.141160214 -0500
+++ 10.9-1/FreeFileSync/Source/RealTimeSync/Makefile	2019-02-11 21:48:22.504771344 -0500
@@ -1,10 +1,10 @@
-EXENAME = RealTimeSync_$(shell arch)
+EXENAME = RealTimeSync
 
 CXXFLAGS = -std=c++17 -pipe -DWXINTL_NO_GETTEXT_MACRO -I../../.. -I../../../zenXml -include "zen/i18n.h" -include "zen/warn_static.h" \
            -Wall -Wfatal-errors -Wmissing-include-dirs -Wswitch-enum -Wcast-align -Wshadow -Wnon-virtual-dtor \
            -O3 -DNDEBUG `wx-config --cxxflags --debug=no` -pthread
 
-LINKFLAGS = -s -no-pie `wx-config --libs std, aui --debug=no` -pthread
+LINKFLAGS = -s -no-pie `wx-config --libs std, aui --debug=no` -lz -pthread
 
 #Gtk - support "no button border"
 CXXFLAGS  += `pkg-config --cflags gtk+-2.0`