diff --git a/src/bmi.c b/src/bmi.c
index f363258..b915b22 100644
--- a/src/bmi.c
+++ b/src/bmi.c
@@ -25,7 +25,7 @@ const char* retResult(float points){
 		return "Starkes Uebergewicht";
 }
 
-int main()
+int run_bmi()
 {
 	float var1 = 0;
 	float var2 = 0;
diff --git a/src/bmi.h b/src/bmi.h
index b1a92c8..ac463e0 100644
--- a/src/bmi.h
+++ b/src/bmi.h
@@ -2,5 +2,6 @@
 #define BMI_H
 
 float calcBMI(float height, float weight);
+const char* retResult(float points);
 
 #endif //BMI_H
diff --git a/test/test_bmi.c b/test/test_bmi.c
index e0530fc..6dfa7fc 100644
--- a/test/test_bmi.c
+++ b/test/test_bmi.c
@@ -19,4 +19,10 @@ float expected = 25;
 TEST_ASSERT_EQUAL(expected, result);
 }
 
+void test_ausgabe_ergebnis(void)
+{
+const char *result = retResult(25);
+char expected[] = "Normalgewicht";
+TEST_ASSERT_EQUAL_STRING(expected, result);
+}
 #endif