diff --git a/Aegisub.sln b/Aegisub.sln
index e4746427f..f0ba4d232 100644
--- a/Aegisub.sln
+++ b/Aegisub.sln
@@ -47,6 +47,9 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "ffms2", "aegisub\build\ffms
 	EndProjectSection
 EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "ffmpeg", "aegisub\build\ffmpeg\ffmpeg.vcxproj", "{F934AB7B-186B-4E96-B20C-A58C38C1B819}"
+	ProjectSection(ProjectDependencies) = postProject
+		{10F22A5A-DD9E-44A1-BA2E-2A9A7C78B0EE} = {10F22A5A-DD9E-44A1-BA2E-2A9A7C78B0EE}
+	EndProjectSection
 EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "zlib", "aegisub\build\zlib\zlib.vcxproj", "{10F22A5A-DD9E-44A1-BA2E-2A9A7C78B0EE}"
 EndProject
diff --git a/aegisub/build/ffmpeg/ffmpeg.vcxproj b/aegisub/build/ffmpeg/ffmpeg.vcxproj
index 45c51e1b7..e6c54d187 100644
--- a/aegisub/build/ffmpeg/ffmpeg.vcxproj
+++ b/aegisub/build/ffmpeg/ffmpeg.vcxproj
@@ -37,6 +37,7 @@
       --enable-gpl
       --enable-runtime-cpudetect
       --enable-static
+      --enable-zlib
       --extra-cflags=-D_SYSCRT
       --extra-cflags=-wd4005
       --extra-cflags=-wd4189