diff --git a/configure.ac b/configure.ac
index 04530e819..944b04967 100644
--- a/configure.ac
+++ b/configure.ac
@@ -7812,8 +7812,8 @@ if test "x$ENABLED_LINUXKM" = "xyes"; then
     AC_SUBST([ASFLAGS_FPUSIMD_DISABLE])
     AC_SUBST([ASFLAGS_FPUSIMD_ENABLE])
 
-    if test "$ENABLED_OPENSSLEXTRA" != "no"; then
-        AC_MSG_ERROR([--enable-opensslextra is incompatible with --enable-linuxkm.])
+    if test "$ENABLED_OPENSSLEXTRA" != "no" && test "$ENABLED_CRYPTONLY" = "no"; then
+        AC_MSG_ERROR([--enable-opensslextra without --enable-cryptonly is incompatible with --enable-linuxkm.])
     fi
     if test "$ENABLED_FILESYSTEM" = "yes"; then
         AC_MSG_ERROR([--enable-filesystem is incompatible with --enable-linuxkm.])