diff --git a/configure.ac b/configure.ac
index 4a077f3f4..a983ba155 100644
--- a/configure.ac
+++ b/configure.ac
@@ -5951,7 +5951,7 @@ then
     AM_CFLAGS="$AM_CFLAGS -DWOLFSSL_SHAKE128"
     if test "$ENABLED_SHA3" = "no"
     then
-        AC_MSG_ERROR([Must have SHA-3 enabled: --enable-sha3])
+        AC_MSG_ERROR([shake128 requires SHA-3: --enable-sha3])
     fi
 else
     AM_CFLAGS="$AM_CFLAGS -DWOLFSSL_NO_SHAKE128"
@@ -5967,7 +5967,7 @@ then
     AM_CFLAGS="$AM_CFLAGS -DWOLFSSL_SHAKE256"
     if test "$ENABLED_SHA3" = "no"
     then
-        AC_MSG_ERROR([Must have SHA-3 enabled: --enable-sha3])
+        AC_MSG_ERROR([shake256 requires SHA-3: --enable-sha3])
     fi
 else
     AM_CFLAGS="$AM_CFLAGS -DWOLFSSL_NO_SHAKE256"