diff --git a/src/software/resampling/context.rs b/src/software/resampling/context.rs
index bae2bfd..ed0749c 100644
--- a/src/software/resampling/context.rs
+++ b/src/software/resampling/context.rs
@@ -55,7 +55,7 @@ impl Context {
                 ptr::null_mut(),
             );
 
-            if ptr.is_null() {
+            if !ptr.is_null() {
                 match swr_init(ptr) {
                     e if e < 0 => Err(Error::from(e)),
 
diff --git a/src/software/scaling/context.rs b/src/software/scaling/context.rs
index e0aa4d7..4c73280 100644
--- a/src/software/scaling/context.rs
+++ b/src/software/scaling/context.rs
@@ -56,7 +56,7 @@ impl Context {
                 ptr::null_mut(),
             );
 
-            if ptr.is_null() {
+            if !ptr.is_null() {
                 Ok(Context {
                     ptr: ptr,