diff --git a/configure.in b/configure.in
index 84f6a0db7..e7e68be0c 100644
--- a/configure.in
+++ b/configure.in
@@ -168,7 +168,7 @@ if test "x$with_asan" = "xyes"; then
     LDFLAGS="$LDFLAGS -fsanitize=address"
 fi
 
-AC_ARG_WITH(asan, [  --with-msan       Enable MemorySanitizer. Requires compiler support.])
+AC_ARG_WITH(msan, [  --with-msan       Enable MemorySanitizer. Requires compiler support.])
 if test "x$with_msan" = "xyes"; then
     CFLAGS="$CFLAGS -fsanitize=memory"
     LDFLAGS="$LDFLAGS -fsanitize=memory"