diff --git a/auto-config-update-aarch64-ppc64le.diff b/auto-config-update-aarch64-ppc64le.diff
index 2ec8b56..907d75f 100644
--- a/auto-config-update-aarch64-ppc64le.diff
+++ b/auto-config-update-aarch64-ppc64le.diff
@@ -1,6 +1,6 @@
 --- ./build/parseSpec.c.orig	2019-10-02 12:38:51.836127743 +0000
 +++ ./build/parseSpec.c	2019-10-02 12:52:33.818447657 +0000
-@@ -926,7 +926,24 @@ static rpmSpec parseSpec(const char *spe
+@@ -926,7 +926,22 @@ static rpmSpec parseSpec(const char *spe
  					  &(spec->buildrequires));
  	    break;
  	case PART_BUILD:
@@ -12,13 +12,11 @@
 +	    }
 +	    spec->build = newStringBuf();
 +	    appendLineStringBuf(spec->build,
-+		"ref=/usr/lib/rpm\n"
++		"ref=/usr/lib/rpm; testarch=$(uname -m)\n"
 +		"for s in guess sub; do\n"
 +		"    for c in $(find -maxdepth 8 -name \"config.$s\"); do\n"
 +		"         grep -q config-patches@ $c || continue\n"
-+		"         grep -q aarch64 $c || install -m 755 $ref/config.$s $c\n"
-+		"         grep -q ppc64le $c || install -m 755 $ref/config.$s $c\n"
-+		"         grep -q 'riscv64[-:]' $c || install -m 755 $ref/config.$s $c\n"
++		"         grep -q $testarch\\[-:\\] $c || install -m 755 $ref/config.$s $c\n"
 +		"     done\n"
 +		"done\n"
 +	    );
diff --git a/rpm.changes b/rpm.changes
index 0d5f3c3..41a6f7a 100644
--- a/rpm.changes
+++ b/rpm.changes
@@ -10,6 +10,12 @@ Mon May  4 13:11:34 UTC 2020 - Dominique Leuenberger <dimstar@opensuse.org>
 - Update rpmconfigcheck: Remove bashism and use /bin/sh instead of
   /bin/bash.
 
+-------------------------------------------------------------------
+Thu Apr 30 12:16:46 UTC 2020 - Dirk Mueller <dmueller@suse.com>
+
+- update auto-config-update-aarch64-ppc64le.diff (bsc#1170849):
+  * only update if hostarch isn't there
+
 -------------------------------------------------------------------
 Tue Apr 14 11:50:49 CEST 2020 - mls@suse.de