diff --git a/build-aux/speedo.mk b/build-aux/speedo.mk
index a98d61f71..4708dd655 100644
--- a/build-aux/speedo.mk
+++ b/build-aux/speedo.mk
@@ -483,6 +483,8 @@ speedo_pkg_npth_configure = --enable-static
 
 speedo_pkg_libgpg_error_configure = --enable-static
 speedo_pkg_w64_libgpg_error_configure = --enable-static
+speedo_pkg_libgpg_error_extracflags = -D_WIN32_WINNT=0x0600
+speedo_pkg_w64_libgpg_error_extracflags = -D_WIN32_WINNT=0x0600
 
 speedo_pkg_libassuan_configure = --enable-static
 speedo_pkg_w64_libassuan_configure = --enable-static
diff --git a/build-aux/speedo/w32/inst.nsi b/build-aux/speedo/w32/inst.nsi
index acd32ad27..0088d1632 100644
--- a/build-aux/speedo/w32/inst.nsi
+++ b/build-aux/speedo/w32/inst.nsi
@@ -820,7 +820,7 @@ SectionEnd
 
 Section "-assuan" SEC_assuan
   SetOutPath "$INSTDIR\bin"
-  File bin/libassuan-0.dll
+  File bin/libassuan-9.dll
   SetOutPath "$INSTDIR\lib"
   File /oname=libassuan.imp lib/libassuan.dll.a
   SetOutPath "$INSTDIR\include"
@@ -1231,7 +1231,7 @@ Section "-un.ksba"
 SectionEnd
 
 Section "-un.assuan"
-  Delete "$INSTDIR\bin\libassuan-0.dll"
+  Delete "$INSTDIR\bin\libassuan-9.dll"
   Delete "$INSTDIR\lib\libassuan.imp"
   Delete "$INSTDIR\include\assuan.h"
 SectionEnd