diff --git a/Cargo.toml b/Cargo.toml
index 84e6d54c..bda84bc6 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -16,6 +16,6 @@ path = "src/sdl2_gfx/lib.rs"
 [dependencies]
 num = "0.1"
 libc = "0.1"
-sdl2 = "0.5"
-sdl2-sys = "0.5"
+sdl2 = "0.6"
+sdl2-sys = "0.6"
 c_vec = "1.0.*"
diff --git a/src/sdl2_gfx/rotozoom.rs b/src/sdl2_gfx/rotozoom.rs
index 6d8c1ac6..3d2c79be 100644
--- a/src/sdl2_gfx/rotozoom.rs
+++ b/src/sdl2_gfx/rotozoom.rs
@@ -55,50 +55,50 @@ impl<'a> RotozoomSurface for Surface<'a> {
         let raw = unsafe {
             ll::rotozoomSurface(self.raw(), angle, zoom, smooth as c_int)
         };
-        if raw.is_null() {
+        if (raw as *mut ()).is_null() {
             Err("rotozoomSurface: error.".to_string())
         } else {
-            unsafe { Ok(Surface::from_ll(raw, true)) }
+            unsafe { Ok(Surface::from_ll(raw)) }
         }
     }
     fn rotozoom_xy(&self, angle: f64, zoomx: f64, zoomy: f64, smooth: bool) -> SdlResult<Surface> {
         let raw = unsafe {
             ll::rotozoomSurfaceXY(self.raw(), angle, zoomx, zoomy, smooth as c_int)
         };
-        if raw.is_null() {
+        if (raw as *mut ()).is_null() {
             Err("rotozoomSurfaceXY: error.".to_string())
         } else {
-            unsafe { Ok(Surface::from_ll(raw, true)) }
+            unsafe { Ok(Surface::from_ll(raw)) }
         }
     }
     fn zoom(&self, zoomx: f64, zoomy: f64, smooth: bool) -> SdlResult<Surface> {
         let raw = unsafe {
             ll::zoomSurface(self.raw(), zoomx, zoomy, smooth as c_int)
         };
-        if raw.is_null() {
+        if (raw as *mut ()).is_null() {
             Err("zoomSurface: error.".to_string())
         } else {
-            unsafe { Ok(Surface::from_ll(raw, true)) }
+            unsafe { Ok(Surface::from_ll(raw)) }
         }
     }
     fn shrink(&self, factorx: isize, factory: isize) -> SdlResult<Surface> {
         let raw = unsafe {
             ll::shrinkSurface(self.raw(), factorx as c_int, factory as c_int)
         };
-        if raw.is_null() {
+        if (raw as *mut ()).is_null() {
             Err("shrinkSurface: error.".to_string())
         } else {
-            unsafe { Ok(Surface::from_ll(raw, true)) }
+            unsafe { Ok(Surface::from_ll(raw)) }
         }
     }
     fn rotate_90deg(&self, turns: isize) -> SdlResult<Surface> {
         let raw = unsafe {
             ll::rotateSurface90Degrees(self.raw(), turns as c_int)
         };
-        if raw.is_null() {
+        if (raw as *mut ()).is_null() {
             Err("rotateSurface90Degrees: error.".to_string())
         } else {
-            unsafe { Ok(Surface::from_ll(raw, true)) }
+            unsafe { Ok(Surface::from_ll(raw)) }
         }
     }
 }