diff --git a/tests/.gitignore b/tests/.gitignore
index 635dd6257d..870fa79808 100644
--- a/tests/.gitignore
+++ b/tests/.gitignore
@@ -3,24 +3,24 @@
 
 *.log
 /test_suite*
-data_files/mpi_write
-data_files/hmac_drbg_seed
-data_files/ctr_drbg_seed
-data_files/entropy_seed
+/data_files/mpi_write
+/data_files/hmac_drbg_seed
+/data_files/ctr_drbg_seed
+/data_files/entropy_seed
 
-include/alt-extra/psa/crypto_platform_alt.h
-include/alt-extra/psa/crypto_struct_alt.h
-include/test/instrument_record_status.h
+/include/alt-extra/psa/crypto_platform_alt.h
+/include/alt-extra/psa/crypto_struct_alt.h
+/include/test/instrument_record_status.h
 
-src/libmbed*
+/src/libmbed*
 
-libtestdriver1/*
+/libtestdriver1/*
 
 ###START_GENERATED_FILES###
 # Generated source files
 /suites/*.generated.data
-suites/test_suite_config.mbedtls_boolean.data
-suites/test_suite_config.psa_boolean.data
+/suites/test_suite_config.mbedtls_boolean.data
+/suites/test_suite_config.psa_boolean.data
 /suites/test_suite_psa_crypto_storage_format.v[0-9]*.data
 /suites/test_suite_psa_crypto_storage_format.current.data
 /src/test_keys.h