diff --git a/.github/scripts/Windows/install_natpmp.sh b/.github/scripts/Windows/install_natpmp.sh
index 94fe80ce3..084f092dd 100755
--- a/.github/scripts/Windows/install_natpmp.sh
+++ b/.github/scripts/Windows/install_natpmp.sh
@@ -8,6 +8,7 @@ gcc -c -Wall -Os -DWIN32 -DNATPMP_STATICLIB -DENABLE_STRNATPMPERR natpmp.c
 gcc -c -Wall -Os -DWIN32 wingettimeofday.c
 ar cr natpmp.a getgateway.o natpmp.o wingettimeofday.o
 
+mkdir -p /usr/local/include /usr/local/lib
 cp natpmp.a /usr/local/lib/libnatpmp.a
 cp natpmp_declspec.h natpmp.h /usr/local/include
 cd -
diff --git a/.github/scripts/Windows/install_spout.sh b/.github/scripts/Windows/install_spout.sh
index 25fa542b1..af0695763 100755
--- a/.github/scripts/Windows/install_spout.sh
+++ b/.github/scripts/Windows/install_spout.sh
@@ -2,6 +2,7 @@
 # Install SPOUT
 
 git clone --depth 1 https://github.com/leadedge/Spout2.git
+mkdir -p /usr/local/bin /usr/local/include /usr/local/lib
 cp Spout2/BUILD/Binaries/x64/SpoutLibrary.dll /usr/local/bin
 cp Spout2/BUILD/Binaries/x64/SpoutLibrary.lib /usr/local/lib
 cp Spout2/SPOUTSDK/SpoutLibrary/SpoutLibrary.h /usr/local/include