diff --git a/bug_x86_64.patch b/bug_x86_64.patch
new file mode 100644
index 0000000..9386fe2
--- /dev/null
+++ b/bug_x86_64.patch
@@ -0,0 +1,98 @@
+diff -Naur epson-inkjet-printer-escpr-1.6.9/src/filter.c epson-inkjet-printer-escpr-1.6.9-fixed/src/filter.c
+--- epson-inkjet-printer-escpr-1.6.9/src/filter.c	2016-09-21 03:55:30.000000000 +0200
++++ epson-inkjet-printer-escpr-1.6.9-fixed/src/filter.c	2016-10-07 22:07:23.965463021 +0200
+@@ -34,6 +34,8 @@
+ #include "epson-protocol.h"
+ #include "epson-escpr-api.h"
+ #include "epson-escpr-mem.h"
++#include "epson-escpr-services.h"
++#include "epson-escpage.h"
+ 
+ #include "err.h"
+ #include "mem.h"
+@@ -42,6 +44,11 @@
+ #include "libprtX.h"
+ #include "optBase.h"
+ #include "linux_cmn.h"
++#include "xfifo.h"
++
++extern EPS_ERR_CODE SetupJobAttrib (const EPS_JOB_ATTRIB*);
++extern EPS_ERR_CODE SendStartJob ();
++extern EPS_ERR_CODE PrintBand (const EPS_UINT8*, EPS_UINT32, EPS_UINT32*);
+ 
+ #define WIDTH_BYTES(bits) (((bits) + 31) / 32 * 4)
+ 
+@@ -380,10 +387,10 @@
+ 	}else{
+ 		debug_msg("pageStartJob() success");
+ 	}
+-	
++
+ 	printJob.jobStatus = EPS_STATUS_ESTABLISHED;
+-	int printHeight = 0;
+-///////////////////////////////////////////////////////////////////////////////////////////////////////////	
++	EPS_UINT32 printHeight = 0;
++///////////////////////////////////////////////////////////////////////////////////////////////////////////
+ 
+ 	print_area_x = printJob.printableAreaWidth;
+ 	print_area_y = printJob.printableAreaHeight;
+@@ -535,7 +542,7 @@
+ 						memcpy(rever_buf + k*3, startpage + pos + (bandBmp.widthBytes - 6) - k*3, 3);
+ 					}
+ 				}
+-				PrintBand (rever_buf, bandBmp.widthBytes, &printHeight);
++				PrintBand ((const EPS_UINT8 *)rever_buf, bandBmp.widthBytes, &printHeight);
+ 				pos -= bandBmp.widthBytes;
+ 			}
+ 
+@@ -642,17 +649,17 @@
+ 						}
+ 					}
+ 				}
+-				
++
+ 				band_line_count ++;
+-				
++
+ 				if (band_line_count >= band_line)
+ 				{
+ 					printHeight = band_line_count;
+ 					PrintBand (bandBmp.bits, bandBmp.widthBytes, &printHeight);
+ #if (HAVE_PPM)
+ 					fp = fopen(ppmfilename, "a+");
+-					int i=0;	
+-					for(i=0; i<bytes_per_line/byte_par_pixel*3; i++){		
++					int i=0;
++					for(i=0; i<bytes_per_line/byte_par_pixel*3; i++){
+ 						fprintf(fp, "%u ", (unsigned char)bandBmp.Bits[i]);
+ 					}
+ 					fprintf(fp, "\n");
+@@ -831,7 +838,7 @@
+ 
+ 	/* Get number of pages */
+ 	char page_num;
+-	read (STDIN_FILENO, &page_num, 1);
++	(void)read (STDIN_FILENO, &page_num, 1);
+ 
+ 	/* Others */
+ 	jobAttr.apfAutoCorrect = EPS_APF_ACT_STANDARD;
+@@ -881,7 +888,7 @@
+ 
+ //	fwrite (pBuf, cbBuf, 1, outfp);
+ 
+-	XFIFOWrite(context, pBuf, cbBuf);
++	XFIFOWrite(context, (char *)pBuf, cbBuf);
+ 
+ 	return 1;
+ }
+diff -Naur epson-inkjet-printer-escpr-1.6.9/src/mem.c epson-inkjet-printer-escpr-1.6.9-fixed/src/mem.c
+--- epson-inkjet-printer-escpr-1.6.9/src/mem.c	2016-09-21 03:55:30.000000000 +0200
++++ epson-inkjet-printer-escpr-1.6.9-fixed/src/mem.c	2016-10-07 22:07:59.519366574 +0200
+@@ -24,6 +24,7 @@
+ 
+ #include <stdlib.h>
+ #include "mem.h"
++#include "err.h"
+ 
+ void *
+ mem_malloc (unsigned int size, bool_t crit)
diff --git a/epson-inkjet-printer-escpr.changes b/epson-inkjet-printer-escpr.changes
index 7dcc2f3..0272154 100644
--- a/epson-inkjet-printer-escpr.changes
+++ b/epson-inkjet-printer-escpr.changes
@@ -1,3 +1,14 @@
+-------------------------------------------------------------------
+Sun Jun 18 16:31:54 UTC 2017 - bwiedemann@suse.com
+
+- call gzip -n to make build fully reproducible
+
+-------------------------------------------------------------------
+Mon Jun 12 22:31:03 UTC 2017 - nico.kruber@gmail.com
+
+- add bug_x86_64.patch which should fix the segfault that some
+  users are experiencing
+
 -------------------------------------------------------------------
 Tue Apr 18 07:58:26 UTC 2017 - nico.kruber@gmail.com
 
diff --git a/epson-inkjet-printer-escpr.spec b/epson-inkjet-printer-escpr.spec
index 9be73c9..49e9ca8 100644
--- a/epson-inkjet-printer-escpr.spec
+++ b/epson-inkjet-printer-escpr.spec
@@ -51,6 +51,9 @@ Summary:        Epson ESC/P-R Inkjet Printer Driver
 License:        GPL-2.0
 Group:          Hardware/Printing
 Source0:        epson-inkjet-printer-escpr-%{version}-1lsb3.2.tar.gz
+# PATCH-FIX-UPSTREAM bug_x86_64.patch -- fix a segfault on x64_64 (probably manifested with GCC7 use)
+# https://aur.archlinux.org/cgit/aur.git/plain/bug_x86_64.patch?h=epson-inkjet-printer-escpr
+Patch0:         bug_x86_64.patch
 # This software is a filter program used with CUPS:
 Requires:       cups
 # Install into this non-root directory (required when norootforbuild is used):
@@ -75,6 +78,7 @@ installed package see the PPD files in this directory:
 %prep
 # Be quiet when unpacking:
 %setup -q
+%patch0 -p1
 
 %build
 # Set our preferred architecture-specific flags for the compiler and linker:
@@ -119,7 +123,7 @@ set +x
 for p in *.ppd
 do echo -n "$p: "
    grep -E -v '^\*UIConstraints:|^\*NonUIConstraints:|^\*cupsFilter:' $p | cupstestppd - || true
-   gzip $p
+   gzip -n9 $p
 done
 # Switch back to the usual build log messages:
 set -x