diff --git a/lib/std/math/bigint.c3 b/lib/std/math/bigint.c3
index 5fb303099..79462a27d 100644
--- a/lib/std/math/bigint.c3
+++ b/lib/std/math/bigint.c3
@@ -35,7 +35,7 @@ fn BigInt* BigInt.init(&self, int128 value)
 		len++;
 	}
 	assert(value < 0 || tmp == 0 || !self.is_negative());
-	assert(value > 0 || tmp == -1 || self.is_negative());
+	assert(value >= 0 || tmp == -1 || self.is_negative());
 	self.len = len;
 	self.reduce_len();
 	return self;
diff --git a/releasenotes.md b/releasenotes.md
index 07e5dada3..a104edf7f 100644
--- a/releasenotes.md
+++ b/releasenotes.md
@@ -50,6 +50,7 @@
 - Issue with defer copying when triggered by break or continue #1936.
 - Assert when using optional as init or inc part in a for loop #1942.
 - Fix bigint hex parsing #1945.
+- `bigint::from_int(0)` throws assertion #1944.
 
 ### Stdlib changes
 - Added '%h' and '%H' for printing out binary data in hexadecimal using the formatter.
diff --git a/test/unit/stdlib/math/bigint.c3 b/test/unit/stdlib/math/bigint.c3
index db99ae935..41b21f718 100644
--- a/test/unit/stdlib/math/bigint.c3
+++ b/test/unit/stdlib/math/bigint.c3
@@ -6,6 +6,14 @@ fn void test_parse16()
     assert(bi.init_string_radix("c", 16)!!.equals(bigint::from_int(12)));
 }
 
+fn void test_zero()
+{
+    assert(bigint::from_int(0).to_string(allocator::temp()) == "0");
+    BigInt bi;
+    bi.init_string_radix("00", 16)!!;
+    assert(bi.to_string(allocator::temp()) == "0");
+}
+
 fn void test_plus()
 {
 	BigInt a = bigint::from_int(123);