diff --git a/gas/ChangeLog b/gas/ChangeLog
index 7f9b0e4f9c..0ae0206dd4 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,8 @@
+2018-10-19  Tamar Christina  <tamar.christina@arm.com>
+
+	* testsuite/gas/arm/undefined-insn-arm.d: Widen pe skip.
+	* testsuite/gas/arm/undefined-insn-thumb.d: Likewise.
+
 2018-10-19  Tamar Christina  <tamar.christina@arm.com>
 
 	* testsuite/gas/arm/undefined-insn-arm.d: New test.
diff --git a/gas/testsuite/gas/arm/undefined-insn-arm.d b/gas/testsuite/gas/arm/undefined-insn-arm.d
index 265a507d3b..2dc148bb7c 100644
--- a/gas/testsuite/gas/arm/undefined-insn-arm.d
+++ b/gas/testsuite/gas/arm/undefined-insn-arm.d
@@ -1,5 +1,5 @@
 #name: Undefined binary printing in arm mode
-#skip: *-unknown-pe *-*-vxworks
+#skip: *-*-pe *-*-vxworks
 #source: undefined-insn.s
 #objdump: -D -b binary -m armv7e-m
 #...
diff --git a/gas/testsuite/gas/arm/undefined-insn-thumb.d b/gas/testsuite/gas/arm/undefined-insn-thumb.d
index 72385f0818..8297f95a66 100644
--- a/gas/testsuite/gas/arm/undefined-insn-thumb.d
+++ b/gas/testsuite/gas/arm/undefined-insn-thumb.d
@@ -1,5 +1,5 @@
 #name: Undefined binary printing in thumb mode
-#skip: *-unknown-pe *-*-vxworks
+#skip: *-*-pe *-*-vxworks
 #source: undefined-insn.s
 #objdump: -D -b binary -m armv7e-m -M force-thumb
 #...