diff --git a/include/mbedtls/asn1.h b/include/mbedtls/asn1.h
index ff019f432a..d8ee469308 100644
--- a/include/mbedtls/asn1.h
+++ b/include/mbedtls/asn1.h
@@ -198,7 +198,7 @@ typedef struct mbedtls_asn1_named_data {
 mbedtls_asn1_named_data;
 
 #if defined(MBEDTLS_ASN1_PARSE_C) || defined(MBEDTLS_X509_CREATE_C) || \
-    defined(MBEDTLS_PSA_UTIL_HAVE_ECDSA)
+    defined(MBEDTLS_PSA_UTIL_HAVE_ECDSA) || defined(MBEDTLS_PEM_PARSE_C)
 /**
  * \brief       Get the length of an ASN.1 element.
  *              Updates the pointer to immediately behind the length.
@@ -245,7 +245,8 @@ int mbedtls_asn1_get_len(unsigned char **p,
 int mbedtls_asn1_get_tag(unsigned char **p,
                          const unsigned char *end,
                          size_t *len, int tag);
-#endif /* MBEDTLS_ASN1_PARSE_C || MBEDTLS_X509_CREATE_C || MBEDTLS_PSA_UTIL_HAVE_ECDSA */
+#endif /* MBEDTLS_ASN1_PARSE_C || MBEDTLS_X509_CREATE_C ||
+          MBEDTLS_PSA_UTIL_HAVE_ECDSA || MBEDTLS_PEM_PARSE_C */
 
 #if defined(MBEDTLS_ASN1_PARSE_C)
 /**
diff --git a/library/asn1parse.c b/library/asn1parse.c
index e33fdf71da..644b43ba96 100644
--- a/library/asn1parse.c
+++ b/library/asn1parse.c
@@ -8,7 +8,7 @@
 #include "common.h"
 
 #if defined(MBEDTLS_ASN1_PARSE_C) || defined(MBEDTLS_X509_CREATE_C) || \
-    defined(MBEDTLS_PSA_UTIL_HAVE_ECDSA)
+    defined(MBEDTLS_PSA_UTIL_HAVE_ECDSA) || defined(MBEDTLS_PEM_PARSE_C)
 
 #include "mbedtls/asn1.h"
 #include "mbedtls/platform_util.h"
@@ -74,7 +74,8 @@ int mbedtls_asn1_get_tag(unsigned char **p,
 
     return mbedtls_asn1_get_len(p, end, len);
 }
-#endif /* MBEDTLS_ASN1_PARSE_C || MBEDTLS_X509_CREATE_C || MBEDTLS_PSA_UTIL_HAVE_ECDSA */
+#endif /* MBEDTLS_ASN1_PARSE_C || MBEDTLS_X509_CREATE_C ||
+          MBEDTLS_PSA_UTIL_HAVE_ECDSA || MBEDTLS_PEM_PARSE_C */
 
 #if defined(MBEDTLS_ASN1_PARSE_C)
 int mbedtls_asn1_get_bool(unsigned char **p,