diff --git a/examples/clock/clock.v b/examples/clock/clock.v
index ded4350734..ce52be964b 100644
--- a/examples/clock/clock.v
+++ b/examples/clock/clock.v
@@ -42,7 +42,7 @@ struct App {
 	minute_hand []f32 = [f32(334.25), 40.25, 350, 24.5, 365.75, 40.25, 365.75, 427, 334.25, 427]
 	second_hand []f32 = [f32(345.8), 38.5, 350, 34.3, 354.2000, 38.5, 358.75, 427, 341.25, 427]
 mut:
-	gg        &gg.Context = 0
+	gg        &gg.Context = unsafe { 0 }
 	draw_flag bool        = true
 	dpi_scale f32 = 1.0
 }
diff --git a/examples/fireworks/fireworks.v b/examples/fireworks/fireworks.v
index 0efbd8fc4b..212e94069d 100644
--- a/examples/fireworks/fireworks.v
+++ b/examples/fireworks/fireworks.v
@@ -6,8 +6,8 @@ import rand
 
 struct App {
 mut:
-	gg      &gg.Context       = 0
-	ui      &objects.UIParams = 0
+	gg      &gg.Context       = unsafe { 0 }
+	ui      &objects.UIParams = unsafe { 0 }
 	rockets []objects.Rocket
 	frames  [][]objects.Rocket
 	// i thought about using a fixed fifo queue for the frames but the array
diff --git a/examples/gg/mandelbrot.v b/examples/gg/mandelbrot.v
index aed25116f9..6384afa692 100644
--- a/examples/gg/mandelbrot.v
+++ b/examples/gg/mandelbrot.v
@@ -31,7 +31,7 @@ fn (v &ViewRect) height() f64 {
 
 struct AppState {
 mut:
-	gg      &gg.Context = 0
+	gg      &gg.Context = unsafe { 0 }
 	iidx    int
 	pixels  &u32     = unsafe { vcalloc(pwidth * pheight * sizeof(u32)) }
 	npixels &u32     = unsafe { vcalloc(pwidth * pheight * sizeof(u32)) } // all drawing happens here, results are swapped at the end
diff --git a/examples/gg/random.v b/examples/gg/random.v
index f9e963b849..ecd0b989b4 100644
--- a/examples/gg/random.v
+++ b/examples/gg/random.v
@@ -9,7 +9,7 @@ const pbytes = 4
 
 struct AppState {
 mut:
-	gg          &gg.Context = 0
+	gg          &gg.Context = unsafe { 0 }
 	istream_idx int
 	pixels      [pheight][pwidth]u32
 }
diff --git a/examples/pendulum-simulation/modules/sim/anim/app.v b/examples/pendulum-simulation/modules/sim/anim/app.v
index 3453e7bc2e..ee12835035 100644
--- a/examples/pendulum-simulation/modules/sim/anim/app.v
+++ b/examples/pendulum-simulation/modules/sim/anim/app.v
@@ -19,7 +19,7 @@ pub:
 	request_chan chan &sim.SimRequest
 	result_chan  chan &sim.SimResult
 pub mut:
-	gg     &gg.Context = 0
+	gg     &gg.Context = unsafe { 0 }
 	iidx   int
 	pixels []u32
 }
diff --git a/examples/term.ui/cursor_chaser.v b/examples/term.ui/cursor_chaser.v
index df83dbbd2e..ba350cca6a 100644
--- a/examples/term.ui/cursor_chaser.v
+++ b/examples/term.ui/cursor_chaser.v
@@ -18,7 +18,7 @@ struct Point {
 
 struct App {
 mut:
-	tui       &tui.Context = 0
+	tui       &tui.Context = unsafe { 0 }
 	points    []Point
 	color     tui.Color = colors[0]
 	color_idx int
diff --git a/examples/term.ui/pong.v b/examples/term.ui/pong.v
index 48e3338d6e..a95a40b5be 100644
--- a/examples/term.ui/pong.v
+++ b/examples/term.ui/pong.v
@@ -19,11 +19,11 @@ const (
 [heap]
 struct App {
 mut:
-	tui    &ui.Context = 0
+	tui    &ui.Context = unsafe { 0 }
 	mode   Mode        = Mode.menu
 	width  int
 	height int
-	game   &Game = 0
+	game   &Game = unsafe { 0 }
 	dt     f32
 	ticks  i64
 }
diff --git a/vlib/net/smtp/smtp.v b/vlib/net/smtp/smtp.v
index d4b4c563ca..2a114ca831 100644
--- a/vlib/net/smtp/smtp.v
+++ b/vlib/net/smtp/smtp.v
@@ -32,7 +32,7 @@ pub enum BodyType {
 pub struct Client {
 mut:
 	conn     net.TcpConn
-	ssl_conn &openssl.SSLConn = 0
+	ssl_conn &openssl.SSLConn = unsafe { 0 }
 	reader   io.BufferedReader
 pub:
 	server   string
diff --git a/vlib/picohttpparser/response.v b/vlib/picohttpparser/response.v
index c7943520c2..2e49074822 100644
--- a/vlib/picohttpparser/response.v
+++ b/vlib/picohttpparser/response.v
@@ -3,8 +3,8 @@ module picohttpparser
 pub struct Response {
 	fd int
 pub:
-	date      &u8 = 0
-	buf_start &u8 = 0
+	date      &u8 = unsafe { 0 }
+	buf_start &u8 = unsafe { 0 }
 pub mut:
 	buf &u8 = 0
 }