diff --git a/srcpkgs/Clight/patches/bus.c.patch b/srcpkgs/Clight/patches/bus.c.patch
new file mode 100644
index 00000000000..a0c4d3a1d6f
--- /dev/null
+++ b/srcpkgs/Clight/patches/bus.c.patch
@@ -0,0 +1,81 @@
+diff --git src/modules/bus.c src/modules/bus.c
+index 00f49cf..7e65fef 100644
+--- src/modules/bus.c
++++ src/modules/bus.c
+@@ -2,7 +2,6 @@
+ 
+ #define GET_BUS(a)  sd_bus *tmp = a->bus; if (!tmp) { tmp = a->type == USER_BUS ? userbus : sysbus; } if (!tmp) { return -1; }
+ 
+-static int _call(const bus_args *a, const char *signature, va_list args_va, const void **args_ptr, bool expect_reply);
+ static void free_bus_structs(sd_bus_error *err, sd_bus_message *m, sd_bus_message *reply);
+ static int check_err(int *r, sd_bus_error *err, const char *caller);
+ 
+@@ -66,7 +65,10 @@ static void receive(const msg_t *const msg, UNUSED const void* userdata) {
+     }
+ }
+ 
+-static int _call(const bus_args *a, const char *signature, va_list args_va, const void **args_ptr, bool expect_reply) {
++/*
++ * Call a method on bus and store its result of type userptr_type in userptr.
++ */
++int call(const bus_args *a, const char *signature, ...) {
+     sd_bus_error error = SD_BUS_ERROR_NULL;
+     sd_bus_message *m = NULL, *reply = NULL;
+     GET_BUS(a);
+@@ -76,26 +78,20 @@ static int _call(const bus_args *a, const char *signature, va_list args_va, cons
+         goto finish;
+     }
+     
+-    r = sd_bus_message_set_expect_reply(m, expect_reply);
++    r = sd_bus_message_set_expect_reply(m, a->reply_cb != NULL);
+     if (check_err(&r, &error, a->caller)) {
+         goto finish;
+     }
+     
+-    if (args_va) {
+-        sd_bus_message_appendv(m, signature, args_va);
+-    } else if (args_ptr) {
+-        int len = strlen(signature);
+-        if (len == 1) {
+-            sd_bus_message_append_basic(m, signature[0], args_ptr);
+-        } else {
+-            for (int i = 0; i < len; i++) {
+-                sd_bus_message_append_basic(m, signature[i], args_ptr[i]);
+-            }
+-        }
++    if (signature && strlen(signature)) {
++        va_list args;
++        va_start(args, signature);
++        sd_bus_message_appendv(m, signature, args);
++        va_end(args);
+     }
+     
+     /* Check if we need to wait for a response message */
+-    if (expect_reply) {
++    if (a->reply_cb != NULL) {
+         r = sd_bus_call(tmp, m, 0, &error, &reply);
+         if (check_err(&r, &error, a->caller)) {
+             goto finish;
+@@ -111,22 +107,6 @@ finish:
+     return r;
+ }
+ 
+-/*
+- * Call a method on bus and store its result of type userptr_type in userptr.
+- */
+-int call(const bus_args *a, const char *signature, ...) {
+-    int r = 0;
+-    if (signature) {
+-        va_list args;
+-        va_start(args, signature);
+-        r = _call(a, signature, args, NULL, a->reply_cb != NULL);
+-        va_end(args);
+-    } else {
+-        r = _call(a, signature, NULL, NULL, a->reply_cb != NULL); 
+-    }
+-    return r;
+-}
+-
+ /*
+  * Add a match on bus on certain signal for cb callback
+  */
diff --git a/srcpkgs/Clight/template b/srcpkgs/Clight/template
index a517bd7d4da..348c6fdd46a 100644
--- a/srcpkgs/Clight/template
+++ b/srcpkgs/Clight/template
@@ -1,7 +1,7 @@
 # Template file for 'Clight'
 pkgname=Clight
-version=4.0
-revision=2
+version=4.1
+revision=1
 build_style=cmake
 hostmakedepends="pkg-config"
 makedepends="popt-devel gsl-devel libconfig-devel elogind-devel bash-completion
@@ -12,4 +12,4 @@ maintainer="Dominic Monroe <monroef4@googlemail.com>"
 license="GPL-3.0-or-later"
 homepage="https://github.com/FedeDP/Clight"
 distfiles="https://github.com/FedeDP/Clight/archive/${version}.tar.gz"
-checksum=ae1deba71d376b14acc2a7495b1a6a4ed43fa438c59c1d4fcb2648d44964bd71
+checksum=84156f3dfd9ab863be25d3efc8b5d6d6043ba4a0b44259c2a1cee1367b3c97aa