diff --git a/compat.h b/compat.h
index a050bb8..fe64820 100644
--- a/compat.h
+++ b/compat.h
@@ -153,7 +153,14 @@ static inline int batadv_param_set_copystring(const char *val,
 #if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 39)
 
 /* cast last argument of strict_strtoul() because we have a uint32_t */
-#define kstrtou32(cp, base, v) strict_strtoul(cp, base, (unsigned long *)v)
+#define kstrtou32(cp, base, v) \
+({\
+	unsigned long _v;\
+	int _r;\
+	_r = strict_strtoul(cp, base, _v);\
+	v = (uint32_t)_v;\
+	_r;\
+})
 #define kstrtoul strict_strtoul
 #define kstrtol  strict_strtol