diff --git a/sim/testsuite/sim/cris/ChangeLog b/sim/testsuite/sim/cris/ChangeLog
index 62ac790f8c9..5ff077c486d 100644
--- a/sim/testsuite/sim/cris/ChangeLog
+++ b/sim/testsuite/sim/cris/ChangeLog
@@ -1,3 +1,7 @@
+2021-01-07  Mike Frysinger  <vapier@gentoo.org>
+
+	* c/c.exp [cris*-*-elf] (CFLAGS_FOR_TARGET): Add -sim.
+
 2021-01-07  Mike Frysinger  <vapier@gentoo.org>
 
 	* c/kill2.c: Include unistd.h.
diff --git a/sim/testsuite/sim/cris/c/c.exp b/sim/testsuite/sim/cris/c/c.exp
index c9df98381e6..034c4bfd8f7 100644
--- a/sim/testsuite/sim/cris/c/c.exp
+++ b/sim/testsuite/sim/cris/c/c.exp
@@ -26,6 +26,10 @@ if [istarget cris-*-*] {
     set mach "crisv32"
 }
 
+if [istarget cris*-*-elf] {
+    append CFLAGS_FOR_TARGET " -sim"
+}
+
 # Using target_compile, since it is less noisy,
 if { [target_compile $srcdir/$subdir/hello.c compilercheck.x \
 	  "executable" "" ] == "" } {