diff --git a/tests/ssl-opt.sh b/tests/ssl-opt.sh
index ac10b26..f102183 100755
--- a/tests/ssl-opt.sh
+++ b/tests/ssl-opt.sh
@@ -3915,6 +3915,8 @@
             0 \
             -C "X509 - A fatal error occurred"
 
+requires_config_value_at_least "MBEDTLS_X509_MAX_INTERMEDIATE_CA" $MAX_IM_CA
+requires_config_value_at_most "MBEDTLS_X509_MAX_INTERMEDIATE_CA" $MAX_IM_CA
 requires_full_size_output_buffer
 run_test    "Authentication: server max_int+1 chain, client default" \
             "$P_SRV crt_file=data_files/dir-maxpath/c10.pem \
@@ -3923,6 +3925,8 @@
             1 \
             -c "X509 - A fatal error occurred"
 
+requires_config_value_at_least "MBEDTLS_X509_MAX_INTERMEDIATE_CA" $MAX_IM_CA
+requires_config_value_at_most "MBEDTLS_X509_MAX_INTERMEDIATE_CA" $MAX_IM_CA
 requires_full_size_output_buffer
 run_test    "Authentication: server max_int+1 chain, client optional" \
             "$P_SRV crt_file=data_files/dir-maxpath/c10.pem \
@@ -3932,6 +3936,8 @@
             1 \
             -c "X509 - A fatal error occurred"
 
+requires_config_value_at_least "MBEDTLS_X509_MAX_INTERMEDIATE_CA" $MAX_IM_CA
+requires_config_value_at_most "MBEDTLS_X509_MAX_INTERMEDIATE_CA" $MAX_IM_CA
 requires_full_size_output_buffer
 run_test    "Authentication: server max_int+1 chain, client none" \
             "$P_SRV crt_file=data_files/dir-maxpath/c10.pem \
@@ -3941,6 +3947,8 @@
             0 \
             -C "X509 - A fatal error occurred"
 
+requires_config_value_at_least "MBEDTLS_X509_MAX_INTERMEDIATE_CA" $MAX_IM_CA
+requires_config_value_at_most "MBEDTLS_X509_MAX_INTERMEDIATE_CA" $MAX_IM_CA
 requires_full_size_output_buffer
 run_test    "Authentication: client max_int+1 chain, server default" \
             "$P_SRV ca_file=data_files/dir-maxpath/00.crt" \
@@ -3949,6 +3957,8 @@
             0 \
             -S "X509 - A fatal error occurred"
 
+requires_config_value_at_least "MBEDTLS_X509_MAX_INTERMEDIATE_CA" $MAX_IM_CA
+requires_config_value_at_most "MBEDTLS_X509_MAX_INTERMEDIATE_CA" $MAX_IM_CA
 requires_full_size_output_buffer
 run_test    "Authentication: client max_int+1 chain, server optional" \
             "$P_SRV ca_file=data_files/dir-maxpath/00.crt auth_mode=optional" \
@@ -3957,6 +3967,8 @@
             1 \
             -s "X509 - A fatal error occurred"
 
+requires_config_value_at_least "MBEDTLS_X509_MAX_INTERMEDIATE_CA" $MAX_IM_CA
+requires_config_value_at_most "MBEDTLS_X509_MAX_INTERMEDIATE_CA" $MAX_IM_CA
 requires_full_size_output_buffer
 run_test    "Authentication: client max_int+1 chain, server required" \
             "$P_SRV ca_file=data_files/dir-maxpath/00.crt auth_mode=required" \
@@ -4156,6 +4168,8 @@
             -c "use CA callback for X.509 CRT verification" \
             -C "X509 - A fatal error occurred"
 
+requires_config_value_at_least "MBEDTLS_X509_MAX_INTERMEDIATE_CA" $MAX_IM_CA
+requires_config_value_at_most "MBEDTLS_X509_MAX_INTERMEDIATE_CA" $MAX_IM_CA
 requires_full_size_output_buffer
 requires_config_enabled MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK
 run_test    "Authentication, CA callback: server max_int+1 chain, client default" \
@@ -4166,6 +4180,8 @@
             -c "use CA callback for X.509 CRT verification" \
             -c "X509 - A fatal error occurred"
 
+requires_config_value_at_least "MBEDTLS_X509_MAX_INTERMEDIATE_CA" $MAX_IM_CA
+requires_config_value_at_most "MBEDTLS_X509_MAX_INTERMEDIATE_CA" $MAX_IM_CA
 requires_full_size_output_buffer
 requires_config_enabled MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK
 run_test    "Authentication, CA callback: server max_int+1 chain, client optional" \
@@ -4177,6 +4193,8 @@
             -c "use CA callback for X.509 CRT verification" \
             -c "X509 - A fatal error occurred"
 
+requires_config_value_at_least "MBEDTLS_X509_MAX_INTERMEDIATE_CA" $MAX_IM_CA
+requires_config_value_at_most "MBEDTLS_X509_MAX_INTERMEDIATE_CA" $MAX_IM_CA
 requires_full_size_output_buffer
 requires_config_enabled MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK
 run_test    "Authentication, CA callback: client max_int+1 chain, server optional" \
@@ -4187,6 +4205,8 @@
             -s "use CA callback for X.509 CRT verification" \
             -s "X509 - A fatal error occurred"
 
+requires_config_value_at_least "MBEDTLS_X509_MAX_INTERMEDIATE_CA" $MAX_IM_CA
+requires_config_value_at_most "MBEDTLS_X509_MAX_INTERMEDIATE_CA" $MAX_IM_CA
 requires_full_size_output_buffer
 requires_config_enabled MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK
 run_test    "Authentication, CA callback: client max_int+1 chain, server required" \