diff --git a/Makefile.mingw b/Makefile.mingw
index 40cf14b3..3b9827d1 100644
--- a/Makefile.mingw
+++ b/Makefile.mingw
@@ -4,7 +4,7 @@ WINDRES = windres
 CXXFLAGS = -Os -D_MT -DWIN32 -D_WINDOWS -DWIN32_LEAN_AND_MEAN
 NEEDED_CXXFLAGS = -std=c++11
 BOOST_SUFFIX = -mt
-INCFLAGS = -I/usr/include/ -I/usr/local/include/
+INCFLAGS += -I/usr/include/ -I/usr/local/include/
 LDFLAGS = -Wl,-rpath,/usr/local/lib \
   -L/usr/local/lib 
 
diff --git a/appveyor.yml b/appveyor.yml
index 80963bec..ab31a0ce 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -28,7 +28,8 @@ build_script:
     cd \projects\i2pd
 
     echo MSYSTEM=%MSYSTEM%
-- if "%MSYSTEM%" == "MINGW64"(
+
+- if "%MSYSTEM%" == "MINGW64" (
     C:\msys64\usr\bin\bash -lc "make USE_UPNP=YES -I/mingw64/include/ -j2"
     && 7z a -tzip -mx9 -mmt i2pd-mingw-win%bitness%.zip i2pd.exe
   ) else (