diff --git a/spa/include/spa/pod/builder.h b/spa/include/spa/pod/builder.h
index cc34ade05..5f2c794f3 100644
--- a/spa/include/spa/pod/builder.h
+++ b/spa/include/spa/pod/builder.h
@@ -459,7 +459,7 @@ static inline uint32_t spa_choice_from_id(char id)
 do {										\
 	switch (type) {								\
 	case 'b':								\
-		spa_pod_builder_bool(builder, va_arg(args, int));		\
+		spa_pod_builder_bool(builder, !!va_arg(args, int));		\
 		break;								\
 	case 'I':								\
 		spa_pod_builder_id(builder, va_arg(args, uint32_t));		\
diff --git a/spa/include/spa/pod/iter.h b/spa/include/spa/pod/iter.h
index 1f7f97a2b..3299484c1 100644
--- a/spa/include/spa/pod/iter.h
+++ b/spa/include/spa/pod/iter.h
@@ -151,7 +151,7 @@ static inline int spa_pod_get_bool(const struct spa_pod *pod, bool *value)
 {
 	if (!spa_pod_is_bool(pod))
 		return -EINVAL;
-	*value = SPA_POD_VALUE(struct spa_pod_bool, pod);
+	*value = !!SPA_POD_VALUE(struct spa_pod_bool, pod);
 	return 0;
 }
 
diff --git a/spa/include/spa/pod/parser.h b/spa/include/spa/pod/parser.h
index 59dcf1440..ddf13d67b 100644
--- a/spa/include/spa/pod/parser.h
+++ b/spa/include/spa/pod/parser.h
@@ -333,7 +333,7 @@ static inline bool spa_pod_parser_can_collect(const struct spa_pod *pod, char ty
 do {											\
 	switch (_type) {								\
 	case 'b':									\
-		*va_arg(args, int*) = SPA_POD_VALUE(struct spa_pod_bool, pod);		\
+		*va_arg(args, bool*) = SPA_POD_VALUE(struct spa_pod_bool, pod);		\
 		break;									\
 	case 'I':									\
 	case 'i':									\