diff --git a/tests/scripts/components-sanitizers.sh b/tests/scripts/components-sanitizers.sh
index 2496c3d..454d140 100644
--- a/tests/scripts/components-sanitizers.sh
+++ b/tests/scripts/components-sanitizers.sh
@@ -111,6 +111,8 @@
     scripts/config.py set MBEDTLS_THREADING_PTHREAD
     # Self-tests do not currently use multiple threads.
     scripts/config.py unset MBEDTLS_SELF_TEST
+    # Interruptible ECC tests are not thread safe
+    scripts/config.py unset MBEDTLS_ECP_RESTARTABLE
 
     # The deprecated MBEDTLS_PSA_CRYPTO_SE_C interface is not thread safe.
     scripts/config.py unset MBEDTLS_PSA_CRYPTO_SE_C