diff --git a/src/libstrongswan/crypto/certinfo.c b/src/libstrongswan/crypto/certinfo.c
index 3d542c994..654e4c2bd 100644
--- a/src/libstrongswan/crypto/certinfo.c
+++ b/src/libstrongswan/crypto/certinfo.c
@@ -249,7 +249,7 @@ static int print(FILE *stream, const struct printf_info *info,
 					   &this->nextUpdate, utc);
 	if (now > this->nextUpdate)
 	{
-		written += fprintf(stream, "expired (since %V)\n", &now, &this->nextUpdate);
+		written += fprintf(stream, "expired (%V ago)\n", &now, &this->nextUpdate);
 	}
 	else
 	{
diff --git a/src/libstrongswan/crypto/crl.c b/src/libstrongswan/crypto/crl.c
index a273b5158..685ccfc8a 100755
--- a/src/libstrongswan/crypto/crl.c
+++ b/src/libstrongswan/crypto/crl.c
@@ -451,7 +451,7 @@ static int print(FILE *stream, const struct printf_info *info,
 	}
 	else if (now > this->nextUpdate)
 	{
-		written += fprintf(stream, "expired (since %V)", &now, &this->nextUpdate);
+		written += fprintf(stream, "expired (%V ago)", &now, &this->nextUpdate);
 	}
 	else if (now > this->nextUpdate - CRL_WARNING_INTERVAL * 60 * 60 * 24)
 	{
diff --git a/src/libstrongswan/crypto/x509.c b/src/libstrongswan/crypto/x509.c
index 269b2562b..58fcff16d 100755
--- a/src/libstrongswan/crypto/x509.c
+++ b/src/libstrongswan/crypto/x509.c
@@ -1186,7 +1186,7 @@ static int print(FILE *stream, const struct printf_info *info,
 	written += fprintf(stream, "                not after  %#T, ", &this->notAfter, utc);
 	if (now > this->notAfter)
 	{
-		written += fprintf(stream, "expired (since %V)\n", &now, &this->notAfter);
+		written += fprintf(stream, "expired (%V ago)\n", &now, &this->notAfter);
 	}
 	else
 	{