diff --git a/mock/c7-devtoolset-6.ppc64.cfg b/mock/c7-devtoolset-6.ppc64.cfg
index 5ca2382..683322f 100644
--- a/mock/c7-devtoolset-6.ppc64.cfg
+++ b/mock/c7-devtoolset-6.ppc64.cfg
@@ -28,7 +28,7 @@ gpgcheck=0
 assumeyes=1
 syslog_ident=mock
 syslog_device=
-
+exclude=glibc64*.ppc
 # repos
 [c7-extras.ppc64]
 name=c7-extras.ppc64
diff --git a/mock/c7-extras.ppc64.cfg b/mock/c7-extras.ppc64.cfg
index 041a8f5..346cb35 100644
--- a/mock/c7-extras.ppc64.cfg
+++ b/mock/c7-extras.ppc64.cfg
@@ -30,6 +30,7 @@ gpgcheck=0
 assumeyes=1
 syslog_ident=mock
 syslog_device=
+exclude=glibc64*.ppc
 
 # repos
 [c7.1708.u.ppc64]
diff --git a/mock/c7.1804.00.ppc64.cfg b/mock/c7.1804.00.ppc64.cfg
index b0741d6..d23b74d 100644
--- a/mock/c7.1804.00.ppc64.cfg
+++ b/mock/c7.1804.00.ppc64.cfg
@@ -30,6 +30,7 @@ gpgcheck=0
 assumeyes=1
 syslog_ident=mock
 syslog_device=
+exclude=glibc64*.ppc
 
 # repos
 [c7.1708.u.ppc64]
diff --git a/mock/c7.1804.u.ppc64.cfg b/mock/c7.1804.u.ppc64.cfg
index 8050eb1..624d2f7 100644
--- a/mock/c7.1804.u.ppc64.cfg
+++ b/mock/c7.1804.u.ppc64.cfg
@@ -30,6 +30,7 @@ gpgcheck=0
 assumeyes=1
 syslog_ident=mock
 syslog_device=
+exclude=glibc64*.ppc
 
 # repos
 [c7.1708.u.ppc64]