diff --git a/ground_station/resources/core/key b/ground_station/resources/core/key
new file mode 100644
index 0000000..4e51d9a
--- /dev/null
+++ b/ground_station/resources/core/key
@@ -0,0 +1 @@
+AIzaSyAFjAWMwQauf2Dy5KteOuT8KexfMjOCIS8
\ No newline at end of file
diff --git a/ground_station/resources/core/mapping.py b/ground_station/resources/core/mapping.py
index 8a9531d..48fb7a4 100644
--- a/ground_station/resources/core/mapping.py
+++ b/ground_station/resources/core/mapping.py
@@ -12,7 +12,7 @@ import time
 #####################################
 # Constants
 #####################################
-fp = open('key', w)
+fp = open('key', 'w')
 _KEY = fp.read().rstrip()
 fp.close()