diff --git a/scripts/expenses/insert_expenses.sh b/scripts/expenses/insert_expenses.sh
index d503a29420e21eb8bf0bff1b8d581c693df03a59..7a5b080d54dcc8c2e62483fa51a5b8e94fd21f85 100755
--- a/scripts/expenses/insert_expenses.sh
+++ b/scripts/expenses/insert_expenses.sh
@@ -49,7 +49,12 @@
         month="0$month"
     fi
 
-    source ./config.sh
+    if [ -e config.sh ]; then
+        source ./config.sh
+    else
+        echo " The file 'config.sh' does not exist in this directory, exiting program."
+        exit
+    fi
 
     # Check if all variables in config file are set:
     configFile='scripts/expenses/config.sh'
diff --git a/scripts/travel_allowances/insert_travel_allowances.sh b/scripts/travel_allowances/insert_travel_allowances.sh
index a225546feb223d22e3e5105e0a77440027af75b3..3ca5afc8e4049575082c40ff6ad6f8337171d6f1 100755
--- a/scripts/travel_allowances/insert_travel_allowances.sh
+++ b/scripts/travel_allowances/insert_travel_allowances.sh
@@ -48,7 +48,12 @@ if [[ "${#month}" -eq "1" ]]; then
     month="0$month"
 fi
 
-source ./config.sh
+if [ -e config.sh ]; then
+    source ./config.sh
+else
+    echo " The file 'config.sh' does not exist in this directory, exiting program."
+    exit
+fi
 
 # Check if all variables in config file are set:
 configFile='scripts/travel_allowance/config.sh'
diff --git a/scripts/workers/insert_register_payment.sh b/scripts/workers/insert_register_payment.sh
index 0629b8025dfe72b2dc6f0490aa3ec28785aa720c..ed82dafbb7d638431f30163d01d8ae7bf4cdd931 100755
--- a/scripts/workers/insert_register_payment.sh
+++ b/scripts/workers/insert_register_payment.sh
@@ -52,7 +52,12 @@ if [[ "${#month}" -eq "1" ]]; then
     month="0$month"
 fi
 
-source ./config.sh
+if [ -e config.sh ]; then
+    source ./config.sh
+else
+    echo " The file 'config.sh' does not exist in this directory, exiting program."
+    exit
+fi
 
 configFile='scripts/workers/config.sh'
 if [ -z "${index}" ]; then