diff --git a/ChangeLog.d/mbedtls_ecdsa_can_do-unconditional-define.txt b/ChangeLog.d/mbedtls_ecdsa_can_do-unconditional-define.txt
new file mode 100644
index 000000000000..fe420ac05acb
--- /dev/null
+++ b/ChangeLog.d/mbedtls_ecdsa_can_do-unconditional-define.txt
@@ -0,0 +1,4 @@
+Bugfix
+   * Removes !ECDSA_SIGN_ALT condition around mbedtls_ecdsa_can_do 
+     definition, so that mbedtls_ecdsa_verify_restartable will not 
+     automatically fail.
diff --git a/library/ecdsa.c b/library/ecdsa.c
index 5cfed082abec..2fcb2fbc019e 100644
--- a/library/ecdsa.c
+++ b/library/ecdsa.c
@@ -240,9 +240,6 @@ static int derive_mpi(const mbedtls_ecp_group *grp, mbedtls_mpi *x,
 }
 #endif /* ECDSA_DETERMINISTIC || !ECDSA_SIGN_ALT || !ECDSA_VERIFY_ALT */
 
-#if !defined(MBEDTLS_ECDSA_SIGN_ALT)     || \
-    !defined(MBEDTLS_ECDSA_VERIFY_ALT)
-
 int mbedtls_ecdsa_can_do(mbedtls_ecp_group_id gid)
 {
     switch (gid) {
@@ -256,8 +253,6 @@ int mbedtls_ecdsa_can_do(mbedtls_ecp_group_id gid)
     }
 }
 
-#endif /* !ECDSA_SIGN_ALT || !ECDSA_VERIFY_ALT */
-
 #if !defined(MBEDTLS_ECDSA_SIGN_ALT)
 /*
  * Compute ECDSA signature of a hashed message (SEC1 4.1.3)