diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d72775636..e6341671a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,5 +1,5 @@
 name: CI
-on: [push, pull_request]
+on: [push, pull_request, workflow_dispatch]
 
 jobs:
   build_linux:
diff --git a/build_odin.sh b/build_odin.sh
index aef3f2836..b00d33323 100755
--- a/build_odin.sh
+++ b/build_odin.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 set -eu
 
 GIT_SHA=$(git rev-parse --short HEAD)
diff --git a/core/math/linalg/specific.odin b/core/math/linalg/specific.odin
index a4aaeb012..c4ecb194f 100644
--- a/core/math/linalg/specific.odin
+++ b/core/math/linalg/specific.odin
@@ -476,21 +476,21 @@ quaternion_angle_axis :: proc{
 
 angle_from_quaternion_f16 :: proc(q: Quaternionf16) -> f16 {
 	if abs(q.w) > math.SQRT_THREE*0.5 {
-		return math.asin(q.x*q.x + q.y*q.y + q.z*q.z) * 2
+		return math.asin(math.sqrt(q.x*q.x + q.y*q.y + q.z*q.z)) * 2
 	}
 
 	return math.acos(q.w) * 2
 }
 angle_from_quaternion_f32 :: proc(q: Quaternionf32) -> f32 {
 	if abs(q.w) > math.SQRT_THREE*0.5 {
-		return math.asin(q.x*q.x + q.y*q.y + q.z*q.z) * 2
+		return math.asin(math.sqrt(q.x*q.x + q.y*q.y + q.z*q.z)) * 2
 	}
 
 	return math.acos(q.w) * 2
 }
 angle_from_quaternion_f64 :: proc(q: Quaternionf64) -> f64 {
 	if abs(q.w) > math.SQRT_THREE*0.5 {
-		return math.asin(q.x*q.x + q.y*q.y + q.z*q.z) * 2
+		return math.asin(math.sqrt(q.x*q.x + q.y*q.y + q.z*q.z)) * 2
 	}
 
 	return math.acos(q.w) * 2
diff --git a/src/gb/gb.h b/src/gb/gb.h
index 48d3c9aec..d09c7618b 100644
--- a/src/gb/gb.h
+++ b/src/gb/gb.h
@@ -90,6 +90,10 @@ extern "C" {
 	#error This operating system is not supported
 #endif
 
+#if defined(GB_SYSTEM_OPENBSD)
+#include <sys/wait.h>
+#endif
+
 #if defined(_MSC_VER)
 	#define GB_COMPILER_MSVC 1
 #elif defined(__GNUC__)