diff --git a/2edd63a0-fix-virFileSetCOW-logic.patch b/2edd63a0-fix-virFileSetCOW-logic.patch
new file mode 100644
index 0000000..5093a75
--- /dev/null
+++ b/2edd63a0-fix-virFileSetCOW-logic.patch
@@ -0,0 +1,29 @@
+commit 2edd63a0dbd445112db23596ee0128521e8f1ff5
+Author: Jiri Denemark <jdenemar@redhat.com>
+Date:   Wed Aug 5 10:01:45 2020 +0200
+
+    util: Fix logic in virFileSetCOW
+    
+    When COW is not explicitly requested to be disabled or enabled, the
+    function is supposed to do nothing on non-BTRFS file systems.
+    
+    Fixes commit 7230bc95aa78379c9ee20cf59394c5fc4305b75b.
+    
+    https://bugzilla.redhat.com/show_bug.cgi?id=1866157
+    
+    Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
+    Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
+
+Index: libvirt-6.6.0/src/util/virfile.c
+===================================================================
+--- libvirt-6.6.0.orig/src/util/virfile.c
++++ libvirt-6.6.0/src/util/virfile.c
+@@ -4550,7 +4550,7 @@ virFileSetCOW(const char *path,
+     }
+ 
+     if (buf.f_type != BTRFS_SUPER_MAGIC) {
+-        if (state == VIR_TRISTATE_BOOL_ABSENT) {
++        if (state != VIR_TRISTATE_BOOL_ABSENT) {
+             virReportSystemError(ENOSYS,
+                                  _("unable to control COW flag on '%s', not btrfs"),
+                                  path);
diff --git a/libvirt.changes b/libvirt.changes
index 0d9b32b..2685827 100644
--- a/libvirt.changes
+++ b/libvirt.changes
@@ -1,3 +1,10 @@
+-------------------------------------------------------------------
+Tue Aug 18 21:40:48 UTC 2020 - James Fehlig <jfehlig@suse.com>
+
+- util: Fix logic in virFileSetCOW
+  2edd63a0-fix-virFileSetCOW-logic.patch
+  boo#1175463
+
 -------------------------------------------------------------------
 Tue Aug  4 22:46:13 UTC 2020 - James Fehlig <jfehlig@suse.com>
 
diff --git a/libvirt.spec b/libvirt.spec
index 841a14a..357d417 100644
--- a/libvirt.spec
+++ b/libvirt.spec
@@ -336,6 +336,7 @@ Source6:        libvirtd-relocation-server.xml
 Source99:       baselibs.conf
 Source100:      %{name}-rpmlintrc
 # Upstream patches
+Patch0:         2edd63a0-fix-virFileSetCOW-logic.patch
 # Patches pending upstream review
 Patch100:       libxl-dom-reset.patch
 Patch101:       network-don-t-use-dhcp-authoritative-on-static-netwo.patch
@@ -875,6 +876,7 @@ libvirt plugin for NSS for translating domain names into IP addresses.
 
 %prep
 %setup -q
+%patch0 -p1
 %patch100 -p1
 %patch101 -p1
 %patch150 -p1