diff --git a/firebase/client_test.go b/firebase/client_test.go
index 5f33896..67c2815 100644
--- a/firebase/client_test.go
+++ b/firebase/client_test.go
@@ -43,6 +43,15 @@ func TestFirebase_setProjectID(t *testing.T) {
 			true,
 			"",
 		},
+		{
+			"Test for wrong config file",
+			args{
+				firebaseProjectConfigFile: "./../testdata/.firebaserc_wrong",
+				projectAlias:              "default",
+			},
+			true,
+			"",
+		},
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
diff --git a/testdata/.firebaserc_wrong b/testdata/.firebaserc_wrong
new file mode 100644
index 0000000..d8d2ada
--- /dev/null
+++ b/testdata/.firebaserc_wrong
@@ -0,0 +1,3 @@
+[
+    "test" : 123
+]
\ No newline at end of file