diff --git a/gaboshlib/g_num_valid_number.sh b/gaboshlib/g_num_valid_number.sh
index ed5aa82..ebb0942 100644
--- a/gaboshlib/g_num_valid_number.sh
+++ b/gaboshlib/g_num_valid_number.sh
@@ -5,6 +5,7 @@ function g_num_valid_number {
     if ! [[ ${f_num} =~ ^(-)?(\.)?[0-9]+(\.[0-9]+)?$ ]]
     then
       g_echo "\"${f_num}\": Not a valid number"
+      g_traceback
       return 1
     fi
   done