diff --git a/lib-src/portaudio-v19/mmefix.patch b/lib-src/portaudio-v19/mmefix.patch
new file mode 100644
index 000000000..4a04f5cc4
--- /dev/null
+++ b/lib-src/portaudio-v19/mmefix.patch
@@ -0,0 +1,17 @@
+diff --git a/lib-src/portaudio-v19/src/hostapi/wmme/pa_win_wmme.c b/lib-src/portaudio-v19/src/hostapi/wmme/pa_win_wmme.c
+index 422c86714..9047149ff 100644
+--- a/lib-src/portaudio-v19/src/hostapi/wmme/pa_win_wmme.c
++++ b/lib-src/portaudio-v19/src/hostapi/wmme/pa_win_wmme.c
+@@ -1751,7 +1751,11 @@ static PaError CalculateBufferSettings(
+ 
+                 if( *hostFramesPerOutputBuffer != *hostFramesPerInputBuffer )
+                 {
+-                    if( hostFramesPerInputBuffer < hostFramesPerOutputBuffer )
++// JKC: Patched By Audacity.  Our Bug 1969
++// Previously this line incorrectly read:
++// if( hostFramesPerInputBuffer < hostFramesPerOutputBuffer )
++// So it was comparing pointers, rather than the values pointed to.
++                    if( *hostFramesPerInputBuffer < *hostFramesPerOutputBuffer )
+                     {
+                         *hostFramesPerOutputBuffer = *hostFramesPerInputBuffer;
+ 
diff --git a/lib-src/portaudio-v19/src/hostapi/wmme/pa_win_wmme.c b/lib-src/portaudio-v19/src/hostapi/wmme/pa_win_wmme.c
index 422c86714..9047149ff 100644
--- a/lib-src/portaudio-v19/src/hostapi/wmme/pa_win_wmme.c
+++ b/lib-src/portaudio-v19/src/hostapi/wmme/pa_win_wmme.c
@@ -1751,7 +1751,11 @@ static PaError CalculateBufferSettings(
 
                 if( *hostFramesPerOutputBuffer != *hostFramesPerInputBuffer )
                 {
-                    if( hostFramesPerInputBuffer < hostFramesPerOutputBuffer )
+// JKC: Patched By Audacity.  Our Bug 1969
+// Previously this line incorrectly read:
+// if( hostFramesPerInputBuffer < hostFramesPerOutputBuffer )
+// So it was comparing pointers, rather than the values pointed to.
+                    if( *hostFramesPerInputBuffer < *hostFramesPerOutputBuffer )
                     {
                         *hostFramesPerOutputBuffer = *hostFramesPerInputBuffer;