diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 18a24a7454b4..de31e36f53db 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,7 @@
+2019-03-18  Kito Cheng  <kito.cheng@gmail.com>
+
+	* gcc.target/riscv/arch-1.c: Add quotes around march in dg-error.
+
 2019-03-18  Segher Boessenkool  <segher@kernel.crashing.org>
 
 	* gcc.target/powerpc/bswap16.c: Use a pointer instead of a global for
diff --git a/gcc/testsuite/gcc.target/riscv/arch-1.c b/gcc/testsuite/gcc.target/riscv/arch-1.c
index 83d5c8a54c44..f12879c84d5d 100644
--- a/gcc/testsuite/gcc.target/riscv/arch-1.c
+++ b/gcc/testsuite/gcc.target/riscv/arch-1.c
@@ -3,4 +3,4 @@
 int foo()
 {
 }
-/* { dg-error ".-march=rv32I: first ISA subset must be `e', `i' or `g'" "" { target *-*-* } 0 } */
+/* { dg-error ".'-march=rv32I': first ISA subset must be `e', `i' or `g'" "" { target *-*-* } 0 } */