diff --git a/test/suites/encoding-flags/real-precision/env b/test/suites/encoding-flags/real-precision/env
new file mode 100644
index 0000000..9c52cbc
--- /dev/null
+++ b/test/suites/encoding-flags/real-precision/env
@@ -0,0 +1,2 @@
+JSON_REAL_PRECISION=4
+export JSON_REAL_PRECISION
diff --git a/test/suites/encoding-flags/real-precision/input b/test/suites/encoding-flags/real-precision/input
new file mode 100644
index 0000000..e291165
--- /dev/null
+++ b/test/suites/encoding-flags/real-precision/input
@@ -0,0 +1 @@
+[1.23456789, 1.0, 1.0000000000000002]
diff --git a/test/suites/encoding-flags/real-precision/output b/test/suites/encoding-flags/real-precision/output
new file mode 100644
index 0000000..f273c73
--- /dev/null
+++ b/test/suites/encoding-flags/real-precision/output
@@ -0,0 +1 @@
+[1.235, 1.0, 1.0]
\ No newline at end of file