diff --git a/hardware/asix-sigma/asix-sigma.c b/hardware/asix-sigma/asix-sigma.c
index ea12da8b..5cb6130c 100644
--- a/hardware/asix-sigma/asix-sigma.c
+++ b/hardware/asix-sigma/asix-sigma.c
@@ -683,7 +683,7 @@ static int configure_probes(const struct sr_dev_inst *sdi, const GSList *probes)
 
 	for (l = probes; l; l = l->next) {
 		probe = (struct sr_probe *)l->data;
-		probebit = 1 << (probe->index - 1);
+		probebit = 1 << (probe->index);
 
 		if (!probe->enabled || !probe->trigger)
 			continue;
diff --git a/hardware/chronovu-la8/driver.c b/hardware/chronovu-la8/driver.c
index 168bb73a..2b697bbb 100644
--- a/hardware/chronovu-la8/driver.c
+++ b/hardware/chronovu-la8/driver.c
@@ -354,7 +354,7 @@ SR_PRIV int configure_probes(struct context *ctx, const GSList *probes)
 			return SR_ERR;
 		}
 
-		probe_bit = (1 << (probe->index - 1));
+		probe_bit = (1 << (probe->index));
 
 		/* Configure the probe's trigger mask and trigger pattern. */
 		for (tc = probe->trigger; tc && *tc; tc++) {
diff --git a/hardware/fx2lafw/fx2lafw.c b/hardware/fx2lafw/fx2lafw.c
index 3e67c5f5..4863da5e 100644
--- a/hardware/fx2lafw/fx2lafw.c
+++ b/hardware/fx2lafw/fx2lafw.c
@@ -315,10 +315,10 @@ static int configure_probes(struct context *ctx, GSList *probes)
 		if (probe->enabled == FALSE)
 			continue;
 
-		if (probe->index > 8)
+		if (probe->index > 7)
 			ctx->sample_wide = TRUE;
 
-		probe_bit = 1 << (probe->index - 1);
+		probe_bit = 1 << (probe->index);
 		if (!(probe->trigger))
 			continue;
 
diff --git a/hardware/hantek-dso/api.c b/hardware/hantek-dso/api.c
index 72f70793..fbb84760 100644
--- a/hardware/hantek-dso/api.c
+++ b/hardware/hantek-dso/api.c
@@ -193,9 +193,9 @@ static int configure_probes(struct context *ctx, const GSList *probes)
 	ctx->ch1_enabled = ctx->ch2_enabled = FALSE;
 	for (l = probes; l; l = l->next) {
 		probe = (struct sr_probe *)l->data;
-		if (probe->index == 1)
+		if (probe->index == 0)
 			ctx->ch1_enabled = probe->enabled;
-		else if (probe->index == 2)
+		else if (probe->index == 1)
 			ctx->ch2_enabled = probe->enabled;
 	}
 
diff --git a/hardware/openbench-logic-sniffer/ols.c b/hardware/openbench-logic-sniffer/ols.c
index d0fb4878..970f7793 100644
--- a/hardware/openbench-logic-sniffer/ols.c
+++ b/hardware/openbench-logic-sniffer/ols.c
@@ -154,7 +154,7 @@ static int configure_probes(struct context *ctx, const GSList *probes)
 		 * Set up the probe mask for later configuration into the
 		 * flag register.
 		 */
-		probe_bit = 1 << (probe->index - 1);
+		probe_bit = 1 << (probe->index);
 		ctx->probe_mask |= probe_bit;
 
 		if (!probe->trigger)
diff --git a/hardware/zeroplus-logic-cube/zeroplus.c b/hardware/zeroplus-logic-cube/zeroplus.c
index 07f38366..683203ae 100644
--- a/hardware/zeroplus-logic-cube/zeroplus.c
+++ b/hardware/zeroplus-logic-cube/zeroplus.c
@@ -203,7 +203,7 @@ static int configure_probes(const struct sr_dev_inst *sdi, const GSList *probes)
 		probe = (struct sr_probe *)l->data;
 		if (probe->enabled == FALSE)
 			continue;
-		probe_bit = 1 << (probe->index - 1);
+		probe_bit = 1 << (probe->index);
 		ctx->probe_mask |= probe_bit;
 
 		if (probe->trigger) {