diff --git a/libs/freetdm/src/include/private/ftdm_core.h b/libs/freetdm/src/include/private/ftdm_core.h
index 99aad5ecc2..8f149318b3 100644
--- a/libs/freetdm/src/include/private/ftdm_core.h
+++ b/libs/freetdm/src/include/private/ftdm_core.h
@@ -679,7 +679,7 @@ static __inline__ int16_t ftdm_saturated_add(int16_t sample1, int16_t sample2)
 		addres = 32767;
 	else if (addres < -32767)
 		addres = -32767;
-	return addres;
+	return (int16_t)addres;
 }
 
 #ifdef __cplusplus