diff --git a/data/windows/create-wineprefixes.sh b/data/windows/create-wineprefixes.sh
index 65e947e52..4ab3bb4d5 100755
--- a/data/windows/create-wineprefixes.sh
+++ b/data/windows/create-wineprefixes.sh
@@ -15,7 +15,7 @@ winetricks fontsmooth=rgb
 # cd data/windows/python
 # msiexec /i python-3.4.3.msi /qn
 # wine cx_Freeze-4.3.4.win32-py3.4.exe
-# wine PyQt5-5.4.1-gpl-Py3.4-Qt5.4.1-x32.exe
+# wine PyQt5-5.5-gpl-Py3.4-Qt5.5.0-x32.exe
 # cd ../../..
 
 export WINEARCH=win64
@@ -30,5 +30,5 @@ winetricks fontsmooth=rgb
 # cd data/windows/python
 # msiexec /i python-3.4.3.amd64.msi /qn
 # wine cx_Freeze-4.3.4.win-amd64-py3.4.exe
-# wine PyQt5-5.4.1-gpl-Py3.4-Qt5.4.1-x64.exe
+# wine PyQt5-5.5-gpl-Py3.4-Qt5.5.0-x64.exe
 # cd ../../..
diff --git a/source/Makefile.mk b/source/Makefile.mk
index f6b60d701..3ec02a66a 100644
--- a/source/Makefile.mk
+++ b/source/Makefile.mk
@@ -103,7 +103,9 @@ ifeq ($(NOOPT),true)
 BASE_OPTS  = -O2 -ffast-math -fdata-sections -ffunction-sections
 endif
 
-ifneq ($(WIN32),true)
+ifeq ($(WIN32),true)
+BASE_FLAGS += -D__MSVCRT_VERSION__=0x900
+else
 # not needed for Windows
 BASE_FLAGS += -fPIC -DPIC
 endif
@@ -403,14 +405,14 @@ LILV_LIBS                  = -ldl -lm
 endif
 
 ifeq ($(WIN32),true)
-DGL_LIBS                = -lopengl32 -lgdi32
-JACKBRIDGE_LIBS         = -lpthread
-JUCE_AUDIO_DEVICES_LIBS = -lwinmm -lole32
-JUCE_CORE_LIBS          = -luuid -lwsock32 -lwininet -lversion -lole32 -lws2_32 -loleaut32 -limm32 -lcomdlg32 -lshlwapi -lrpcrt4 -lwinmm
-# JUCE_EVENTS_LIBS        = -lole32
-JUCE_GRAPHICS_LIBS      = -lgdi32
-JUCE_GUI_BASICS_LIBS    = -lgdi32 -limm32 -lcomdlg32 -lole32
-LILV_LIBS               = -lm
+DGL_LIBS                   = -lopengl32 -lgdi32
+JACKBRIDGE_LIBS            = -lpthread
+JUCE_AUDIO_DEVICES_LIBS    = -lwinmm -lole32
+JUCE_AUDIO_PROCESSORS_LIBS = -lmsvcr90
+JUCE_CORE_LIBS             = -luuid -lwsock32 -lwininet -lversion -lole32 -lws2_32 -loleaut32 -limm32 -lcomdlg32 -lshlwapi -lrpcrt4 -lwinmm
+JUCE_GRAPHICS_LIBS         = -lgdi32
+JUCE_GUI_BASICS_LIBS       = -lgdi32 -limm32 -lcomdlg32 -lole32
+LILV_LIBS                  = -lm
 endif
 
 # --------------------------------------------------------------