diff --git a/configure b/configure
index bedcccaca..034ee12ba 100755
--- a/configure
+++ b/configure
@@ -13453,5 +13453,5 @@ $as_echo "$as_me: WARNING: Support for thin provisioning is limited since some t
 test -n "$THIN_CHECK_VERSION_WARN" && { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: You should also install thin_check vsn 0.3.2 (or later) to use lvm2 thin provisioning" >&5
 $as_echo "$as_me: WARNING: You should also install thin_check vsn 0.3.2 (or later) to use lvm2 thin provisioning" >&2;}
 
-test "$ODIRECT" != yes && { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: O_DIRECT disabled: low-memory pvmove may lock up" >&5
+test "$ODIRECT" = yes || { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: O_DIRECT disabled: low-memory pvmove may lock up" >&5
 $as_echo "$as_me: WARNING: O_DIRECT disabled: low-memory pvmove may lock up" >&2;}
diff --git a/configure.in b/configure.in
index a1dfee5ed..12404baf9 100644
--- a/configure.in
+++ b/configure.in
@@ -1762,4 +1762,4 @@ test -n "$THIN_CONFIGURE_WARN" && AC_MSG_WARN([Support for thin provisioning is
 
 test -n "$THIN_CHECK_VERSION_WARN" && AC_MSG_WARN([You should also install thin_check vsn 0.3.2 (or later) to use lvm2 thin provisioning])
 
-test "$ODIRECT" != yes && AC_MSG_WARN([O_DIRECT disabled: low-memory pvmove may lock up])
+test "$ODIRECT" = yes || AC_MSG_WARN([O_DIRECT disabled: low-memory pvmove may lock up])