diff --git a/include/linux/pci.h b/include/linux/pci.h
index b67e4df2080130b75b8c925921fa5f13e464496c..8d748345b158c72abb4bcaf8fdae6d396d98cd5e 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -116,7 +116,7 @@ extern const char *pci_power_names[];
 
 static inline const char *pci_power_name(pci_power_t state)
 {
-	return pci_power_names[1 + (int) state];
+	return pci_power_names[1 + (__force int) state];
 }
 
 #define PCI_PM_D2_DELAY		200