diff --git a/configure.ac b/configure.ac
index a276226ca..6c34659d3 100644
--- a/configure.ac
+++ b/configure.ac
@@ -407,7 +407,7 @@ AS_CASE([$ENABLED_FIPS],
         DEF_SP_MATH="no"
         DEF_FAST_MATH="yes"
     ],
-    [dev|v5-dev],[
+    [v5-dev],[
         FIPS_VERSION="dev"
         HAVE_FIPS_VERSION=5
         HAVE_FIPS_VERSION_MINOR=3
@@ -436,8 +436,15 @@ AS_CASE([$ENABLED_FIPS],
         DEF_SP_MATH="yes"
         DEF_FAST_MATH="no"
     ],
+    [dev],[
+        FIPS_VERSION="dev"
+        HAVE_FIPS_VERSION=7
+        HAVE_FIPS_VERSION_MINOR=0
+        ENABLED_FIPS="yes"
+        # for dev, DEF_SP_MATH and DEF_FAST_MATH follow non-FIPS defaults (currently sp-math-all)
+    ],
     [
-        AC_MSG_ERROR([Invalid value for --enable-fips "$ENABLED_FIPS" (main options: v1, v2, v5, ready, dev, rand, no, disabled)])
+        AC_MSG_ERROR([Invalid value for --enable-fips "$ENABLED_FIPS" (main options: v1, v2, v5, v6, ready, dev, rand, no, disabled)])
     ])
 
 if test -z "$HAVE_FIPS_VERSION_MINOR"