diff --git a/common/amount.c b/common/amount.c
index 3736d2913..ddea6569c 100644
--- a/common/amount.c
+++ b/common/amount.c
@@ -357,6 +357,11 @@ bool amount_sat_eq(struct amount_sat a, struct amount_sat b)
 	return a.satoshis == b.satoshis;
 }
 
+bool amount_sat_zero(struct amount_sat a)
+{
+	return a.satoshis == 0;
+}
+
 bool amount_msat_eq(struct amount_msat a, struct amount_msat b)
 {
 	return a.millisatoshis == b.millisatoshis;
diff --git a/common/amount.h b/common/amount.h
index 58df61c5c..46d95d99d 100644
--- a/common/amount.h
+++ b/common/amount.h
@@ -94,6 +94,9 @@ struct amount_sat amount_sat_div(struct amount_sat sat, u64 div);
 bool amount_sat_eq(struct amount_sat a, struct amount_sat b);
 bool amount_msat_eq(struct amount_msat a, struct amount_msat b);
 
+/* Is a zero? */
+bool amount_sat_zero(struct amount_sat a);
+
 /* Is a > b? */
 bool amount_sat_greater(struct amount_sat a, struct amount_sat b);
 bool amount_msat_greater(struct amount_msat a, struct amount_msat b);
diff --git a/lightningd/dual_open_control.c b/lightningd/dual_open_control.c
index 988894ce2..7413812ad 100644
--- a/lightningd/dual_open_control.c
+++ b/lightningd/dual_open_control.c
@@ -619,11 +619,11 @@ rbf_channel_hook_deserialize(struct rbf_channel_payload *payload,
 		fatal("Plugin failed to supply our_funding_msat field");
 
 	if (payload->psbt
-	    && amount_sat_eq(payload->our_funding, AMOUNT_SAT(0)))
+	    && amount_sat_zero(payload->our_funding))
 		fatal("Plugin failed to supply our_funding_msat field");
 
 	if (!payload->psbt &&
-		!amount_sat_eq(payload->our_funding, AMOUNT_SAT(0))) {
+		!amount_sat_zero(payload->our_funding)) {
 
 		log_broken(channel->log, "`our_funding_msat` returned"
 			   " but no `psbt` present. %.*s",
@@ -777,11 +777,11 @@ openchannel2_hook_deserialize(struct openchannel2_payload *payload,
 		fatal("Plugin failed to supply our_funding_msat field");
 
 	if (payload->psbt
-	    && amount_sat_eq(payload->accepter_funding, AMOUNT_SAT(0)))
+	    && amount_sat_zero(payload->accepter_funding))
 		fatal("Plugin failed to supply our_funding_msat field");
 
 	if (!payload->psbt
-	    && !amount_sat_eq(payload->accepter_funding, AMOUNT_SAT(0))) {
+	    && !amount_sat_zero(payload->accepter_funding)) {
 		/* Gotta give a PSBT if you set the accepter_funding amount */
 		/* Let dualopend know we've failed */
 		payload->err_msg = "Client error. Unable to continue";
diff --git a/plugins/funder.c b/plugins/funder.c
index 7259334fc..891154dc6 100644
--- a/plugins/funder.c
+++ b/plugins/funder.c
@@ -427,7 +427,7 @@ listfunds_success(struct command *cmd,
 				  &info->our_funding),
 		   funding_err ? funding_err : "");
 
-	if (amount_sat_eq(info->our_funding, AMOUNT_SAT(0)))
+	if (amount_sat_zero(info->our_funding))
 		return command_hook_success(cmd);
 
 	plugin_log(cmd->plugin, LOG_DBG,
diff --git a/plugins/funder_policy.c b/plugins/funder_policy.c
index 4ded29088..428b4c42f 100644
--- a/plugins/funder_policy.c
+++ b/plugins/funder_policy.c
@@ -220,7 +220,7 @@ calculate_our_funding(struct funder_policy *policy,
 
 	/* Figure out amount of actual headroom we have */
 	if (!amount_sat_sub(&avail_channel_space, channel_max, their_funding)
-	    || amount_sat_eq(avail_channel_space, AMOUNT_SAT(0))) {
+	    || amount_sat_zero(avail_channel_space)) {
 		*our_funding = AMOUNT_SAT(0);
 		return tal_fmt(tmpctx, "No space available in channel."
 			       " channel_max %s, their_funding %s",
@@ -234,7 +234,7 @@ calculate_our_funding(struct funder_policy *policy,
 	 * 'reserve_tank' */
 	if (!amount_sat_sub(&net_available_funds, available_funds,
 			    policy->reserve_tank)
-	    || amount_sat_eq(net_available_funds, AMOUNT_SAT(0))) {
+	    || amount_sat_zero(net_available_funds)) {
 		*our_funding = AMOUNT_SAT(0);
 		return tal_fmt(tmpctx, "Reserve tank too low."
 			       " available_funds %s, reserve_tank requires %s",
@@ -272,7 +272,7 @@ calculate_our_funding(struct funder_policy *policy,
 	*our_funding = apply_policy(policy, their_funding, available_funds);
 
 	/* Don't return an 'error' if we're already at 0 */
-	if (amount_sat_eq(*our_funding, AMOUNT_SAT(0)))
+	if (amount_sat_zero(*our_funding))
 		return NULL;
 
 	/* our_funding is probably sane, so let's fuzz this amount a bit */