diff --git a/scripts/lcov.sh b/scripts/lcov.sh
index 9a0c58243..2d2f42bcb 100755
--- a/scripts/lcov.sh
+++ b/scripts/lcov.sh
@@ -30,9 +30,15 @@ EOF
 
 set -eu
 
-# Repository detection
-in_mbedtls_build_dir () {
-    test -d library
+# Project detection
+PROJECT_NAME_FILE='./scripts/project_name.txt'
+if read -r PROJECT_NAME < "$PROJECT_NAME_FILE"; then :; else
+    echo "$PROJECT_NAME_FILE does not exist... Exiting..." >&2
+    exit 1
+fi
+
+in_mbedtls_repo () {
+    test "$PROJECT_NAME" = "Mbed TLS"
 }
 
 # Collect stats and build a HTML report.
@@ -68,7 +74,7 @@ if [ $# -gt 0 ] && [ "$1" = "--help" ]; then
     exit
 fi
 
-if in_mbedtls_build_dir; then
+if in_mbedtls_repo; then
     library_dir='library'
     title='Mbed TLS'
 else
diff --git a/scripts/project_name.txt b/scripts/project_name.txt
new file mode 100644
index 000000000..a38cf263b
--- /dev/null
+++ b/scripts/project_name.txt
@@ -0,0 +1 @@
+Mbed TLS
diff --git a/tests/scripts/all.sh b/tests/scripts/all.sh
index ed097df79..1a7302081 100755
--- a/tests/scripts/all.sh
+++ b/tests/scripts/all.sh
@@ -115,15 +115,23 @@ set -e -o pipefail -u
 # Enable ksh/bash extended file matching patterns
 shopt -s extglob
 
+# For project detection
 in_mbedtls_repo () {
-    test -d include -a -d library -a -d programs -a -d tests
+    test "$PROJECT_NAME" = "Mbed TLS"
 }
 
 in_tf_psa_crypto_repo () {
-    test -d include -a -d core -a -d drivers -a -d programs -a -d tests
+    test "$PROJECT_NAME" = "TF-PSA-Crypto"
 }
 
 pre_check_environment () {
+    # For project detection
+    PROJECT_NAME_FILE='./scripts/project_name.txt'
+    if read -r PROJECT_NAME < "$PROJECT_NAME_FILE"; then :; else
+        echo "$PROJECT_NAME_FILE does not exist... Exiting..." >&2
+        exit 1
+    fi
+
     if in_mbedtls_repo || in_tf_psa_crypto_repo; then :; else
         echo "Must be run from Mbed TLS / TF-PSA-Crypto root" >&2
         exit 1