diff --git a/srcpkgs/kanshi/patches/assert.patch b/srcpkgs/kanshi/patches/assert.patch
new file mode 100644
index 00000000000..90e8e3c7bab
--- /dev/null
+++ b/srcpkgs/kanshi/patches/assert.patch
@@ -0,0 +1,37 @@
+commit 5ff7fad0a8391c0c3ef87f48e34e4e65c584d000
+Author: Érico Rolim <erico.erc@gmail.com>
+Date:   Tue Feb 2 17:18:42 2021 -0300
+
+    parser: use abort() instead of assert(0).
+    
+    assert(0) has no effect on NDEBUG builds, and means the program will
+    continue running in an unexpected state.
+
+diff --git parser.c parser.c
+index 40146e8..0ed1ba1 100644
+--- parser.c
++++ parser.c
+@@ -1,5 +1,4 @@
+ #define _POSIX_C_SOURCE 200809L
+-#include <assert.h>
+ #include <ctype.h>
+ #include <errno.h>
+ #include <stdbool.h>
+@@ -24,7 +23,7 @@ static const char *token_type_str(enum kanshi_token_type t) {
+ 	case KANSHI_TOKEN_NEWLINE:
+ 		return "newline";
+ 	}
+-	assert(0);
++	abort();
+ }
+ 
+ static int parser_read_char(struct kanshi_parser *parser) {
+@@ -333,7 +332,7 @@ static struct kanshi_profile_output *parse_profile_output(
+ 					}
+ 					break;
+ 				default:
+-					assert(0);
++					abort();
+ 				}
+ 				has_key = false;
+ 				output->fields |= key;
diff --git a/srcpkgs/kanshi/template b/srcpkgs/kanshi/template
index fbef9a7e59b..e6fe40f4a69 100644
--- a/srcpkgs/kanshi/template
+++ b/srcpkgs/kanshi/template
@@ -1,7 +1,7 @@
 # Template file for 'kanshi'
 pkgname=kanshi
 version=1.1.0
-revision=1
+revision=2
 build_style=meson
 hostmakedepends="pkg-config scdoc wayland-devel"
 makedepends="wayland-devel"