diff --git a/library/x509_csr.c b/library/x509_csr.c
index dbf659b..60f66b3 100644
--- a/library/x509_csr.c
+++ b/library/x509_csr.c
@@ -259,8 +259,8 @@
  */
 int mbedtls_x509_csr_parse( mbedtls_x509_csr *csr, const unsigned char *buf, size_t buflen )
 {
-    int ret;
 #if defined(MBEDTLS_PEM_PARSE_C)
+    int ret;
     size_t use_len;
     mbedtls_pem_context pem;
 #endif