diff --git a/c_check b/c_check
index cef4fe2ff..80e0bee81 100755
--- a/c_check
+++ b/c_check
@@ -222,13 +222,13 @@ if [ "$architecture" = "x86" ] || [ "$architecture" = "x86_64" ]; then
     rm -rf "$tmpd"
 fi
 
-no_rv64gv= 0;
+no_rv64gv=0
 if [ "$architecture" = "riscv64" ]; then
     tmpd=`mktemp -d`
-    tmpf="$tmpd/a.c
-    code = '"vsetvli    zero, zero, e8, m1\n"'
+    tmpf="$tmpd/a.c"
+    code='"vsetvli    zero, zero, e8, m1\n"'
     printf "int main(void){ __asm__ volatile(%s); }\n" "$code" >> "$tmpf"
-    args = " -march=rv64gv -c -o $tmpf.o $tmpf"
+    args=" -march=rv64gv -c -o $tmpf.o $tmpf"
     no_rv64gv=0
     {
     	$compiler_name $flags $args >/dev/null 2>&1