diff --git a/appveyor.yml b/appveyor.yml
index cf8587174bf807bc599d798ad038384bea40eb02..8d4cf8b3afa6b7ddda7f67d5cf3e79bfa990bedb 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -64,8 +64,8 @@ install:
 - cmd: if [%COMPILER%]==[msvc] (mkdir build)
 - cmd: set PATH=%PATH:C:\Program Files\Git\usr\bin;=%
 - cmd: set PATH=%MINGW_DIR_BIN%;%PATH%
-- cmd: if [%COMPILER%]==[mingw] (cd build-debug & cmake .. -G %GENERATOR% -DCMAKE_INSTALL_PREFIX="..\install" -DCMAKE_BUILD_TYPE=Debug -DCMAKE_DEBUG_POSTFIX=_d -DBUILD_INSTALL=ON || exit 1 & cd ..)
-- cmd: if [%COMPILER%]==[mingw] (cd build-release & cmake .. -G %GENERATOR% -DCMAKE_INSTALL_PREFIX="..\install" -DCMAKE_BUILD_TYPE=MinSizeRel -DCMAKE_DEBUG_POSTFIX=_d -DBUILD_INSTALL=ON || exit 1 & cd ..)
+- cmd: if [%COMPILER%]==[mingw] (cd build-debug & cmake .. -G %GENERATOR% -DCMAKE_INSTALL_PREFIX="..\install" -DCMAKE_BUILD_TYPE=Debug -DCMAKE_DEBUG_POSTFIX=_d -DBUILD_INSTALL=ON  -DCMAKE_SH="CMAKE_SH-NOTFOUND" || exit 1 & cd ..)
+- cmd: if [%COMPILER%]==[mingw] (cd build-release & cmake .. -G %GENERATOR% -DCMAKE_INSTALL_PREFIX="..\install" -DCMAKE_BUILD_TYPE=MinSizeRel -DCMAKE_DEBUG_POSTFIX=_d -DBUILD_INSTALL=ON  -DCMAKE_SH="CMAKE_SH-NOTFOUND" || exit 1 & cd ..)
 - cmd: if [%COMPILER%]==[msvc] (cd build & cmake .. -G %GENERATOR% -DCMAKE_INSTALL_PREFIX="..\install" -DCMAKE_DEBUG_POSTFIX=_d -DBUILD_INSTALL=ON || exit 1 & cd ..)
 
 build_script:
diff --git a/src/rew/encoder/physical_audio_sink.cpp b/src/rew/encoder/physical_audio_sink.cpp
index 7c345ec8a1d280ad02330b7110f3352c37dfd22b..ba9483c39b61d3617a99e499ae5f0eb939d27287 100644
--- a/src/rew/encoder/physical_audio_sink.cpp
+++ b/src/rew/encoder/physical_audio_sink.cpp
@@ -1,4 +1,5 @@
 #include <portaudio.h>
+#include <chrono>
 #include <rew/encoder/physical_audio_sink.h>
 
 class rew::AudioInitializer {