diff --git a/rpm-5.2.1-rpmdb-yum-disable-assert.patch b/rpm-5.2.1-rpmdb-yum-disable-assert.patch
new file mode 100644
index 0000000..ee40a5f
--- /dev/null
+++ b/rpm-5.2.1-rpmdb-yum-disable-assert.patch
@@ -0,0 +1,11 @@
+--- rpm-5.2.1/rpmdb/rpmdb.c.orig	2017-08-26 13:28:12.065070738 +0200
++++ rpm-5.2.1/rpmdb/rpmdb.c	2017-08-26 13:17:01.920477505 +0200
+@@ -2554,7 +2554,7 @@
+     }
+     else {
+ 	/* Iterating Packages database. */
+-	assert(mi->mi_rpmtag == RPMDBI_PACKAGES);
++//	assert(mi->mi_rpmtag == RPMDBI_PACKAGES);
+ 
+ 	/* Fetch header with DB_NEXT. */
+ 	/* Instance 0 is the largest header instance in the database,
diff --git a/rpm.spec b/rpm.spec
index 0c4a815..d9ce8cf 100644
--- a/rpm.spec
+++ b/rpm.spec
@@ -33,7 +33,7 @@
 
 Name:          rpm
 Version:       5.2.1
-Release:       30mamba
+Release:       31mamba
 Summary:       The RPM package management system
 Group:         System/Management
 Vendor:        openmamba
@@ -104,6 +104,7 @@ Patch65:       rpm-5.2.1-build-fix-arm.patch
 Patch66:       rpm-5.2.1-find_lang_support_localized_qt_and_man_files.patch
 Patch67:       rpm-5.2.1-dont-fail-on-postun.patch
 Patch68:       rpm-5.2.1-file-5.30.patch
+Patch69:       rpm-5.2.1-rpmdb-yum-disable-assert.patch
 License:       LGPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
@@ -256,7 +257,7 @@ This package should be installed if you want to develop Python programs that wil
 
 %prep
 %setup -q -n rpm-%{version}
-# -D -T
+#-D -T
 #:<< _EOF
 %patch0  -p1 -b .configure_openmamba
 %patch2  -p1 -b .macrodirs
@@ -311,6 +312,7 @@ This package should be installed if you want to develop Python programs that wil
 %patch66 -p1
 %patch67 -p1
 %patch68 -p1
+%patch69 -p1
 
 mkdir platform-macros
 cd platform-macros
@@ -632,6 +634,9 @@ fi
 %endif
 
 %changelog
+* Sat Aug 26 2017 Silvan Calarco <silvan.calarco@mambasoft.it> 5.2.1-31mamba
+- added a patch to remove an assert and fix package installation with yum
+
 * Fri Mar 03 2017 Silvan Calarco <silvan.calarco@mambasoft.it> 5.2.1-30mamba
 - added patch for file 5.30