diff --git a/scripts/lcov.sh b/scripts/lcov.sh
index 15b13c1..2885537 100755
--- a/scripts/lcov.sh
+++ b/scripts/lcov.sh
@@ -35,7 +35,7 @@
 
 in_mbedtls_repo () {
     if [ ! -f $PROJECT_NAME_FILE ]; then
-        echo "$PROJECT_NAME_FILE does not exist... Exiting..."
+        echo "$PROJECT_NAME_FILE does not exist... Exiting..." >&2
         exit 1
     fi
     grep -Fxq "Mbed TLS" "$PROJECT_NAME_FILE"
diff --git a/tests/scripts/all.sh b/tests/scripts/all.sh
index fdd7b94..c17d627 100755
--- a/tests/scripts/all.sh
+++ b/tests/scripts/all.sh
@@ -120,7 +120,7 @@
 
 in_mbedtls_repo () {
     if [ ! -f $PROJECT_NAME_FILE ]; then
-        echo "$PROJECT_NAME_FILE does not exist... Exiting..."
+        echo "$PROJECT_NAME_FILE does not exist... Exiting..." >&2
         exit 1
     fi
     grep -Fxq "Mbed TLS" "$PROJECT_NAME_FILE"
@@ -128,7 +128,7 @@
 
 in_tf_psa_crypto_repo () {
     if [ ! -f $PROJECT_NAME_FILE ]; then
-        echo "$PROJECT_NAME_FILE does not exist... Exiting..."
+        echo "$PROJECT_NAME_FILE does not exist... Exiting..." >&2
         exit 1
     fi
     grep -Fxq "TF-PSA-Crypto" "$PROJECT_NAME_FILE"