diff --git a/vc7/ZFontTest.vcproj b/vc7/ZFontTest.vcproj
index 6457728..8eb3842 100644
--- a/vc7/ZFontTest.vcproj
+++ b/vc7/ZFontTest.vcproj
@@ -86,6 +86,7 @@ ZEngineSD.lib"
 				Name="VCLinkerTool"
 				AdditionalOptions="sdl.lib
 sdlmain.lib
+opengl32.lib
 sdl_ttf.lib
 sdl_mixer.lib
 sdl_image.lib
diff --git a/vc7/ZImageTest.vcproj b/vc7/ZImageTest.vcproj
index 3c89053..52d9918 100644
--- a/vc7/ZImageTest.vcproj
+++ b/vc7/ZImageTest.vcproj
@@ -86,6 +86,7 @@ ZEngineSD.lib"
 				Name="VCLinkerTool"
 				AdditionalOptions="sdl.lib
 sdlmain.lib
+opengl32.lib
 sdl_ttf.lib
 sdl_mixer.lib
 sdl_image.lib
diff --git a/vc7/ZMouseTest.vcproj b/vc7/ZMouseTest.vcproj
index 41f612c..9b261fb 100644
--- a/vc7/ZMouseTest.vcproj
+++ b/vc7/ZMouseTest.vcproj
@@ -85,6 +85,7 @@ ZEngineSD.lib"
 				Name="VCLinkerTool"
 				AdditionalOptions="sdl.lib
 sdlmain.lib
+opengl32.lib
 sdl_ttf.lib
 sdl_mixer.lib
 sdl_image.lib
diff --git a/vc7/ZMusicTest.vcproj b/vc7/ZMusicTest.vcproj
index d4cf36c..89e5fdf 100644
--- a/vc7/ZMusicTest.vcproj
+++ b/vc7/ZMusicTest.vcproj
@@ -85,6 +85,7 @@ ZEngineSD.lib"
 				Name="VCLinkerTool"
 				AdditionalOptions="sdl.lib
 sdlmain.lib
+opengl32.lib
 sdl_ttf.lib
 sdl_mixer.lib
 sdl_image.lib
diff --git a/vc7/ZRectTest.vcproj b/vc7/ZRectTest.vcproj
index 239e941..69f9cef 100644
--- a/vc7/ZRectTest.vcproj
+++ b/vc7/ZRectTest.vcproj
@@ -85,6 +85,7 @@ ZEngineSD.lib"
 				Name="VCLinkerTool"
 				AdditionalOptions="sdl.lib
 sdlmain.lib
+opengl32.lib
 sdl_ttf.lib
 sdl_mixer.lib
 sdl_image.lib
diff --git a/vc7/ZSoundTest.vcproj b/vc7/ZSoundTest.vcproj
index 50bc3a6..f079cb5 100644
--- a/vc7/ZSoundTest.vcproj
+++ b/vc7/ZSoundTest.vcproj
@@ -85,6 +85,7 @@ ZEngineSD.lib"
 				Name="VCLinkerTool"
 				AdditionalOptions="sdl.lib
 sdlmain.lib
+opengl32.lib
 sdl_ttf.lib
 sdl_mixer.lib
 sdl_image.lib
diff --git a/vc7/ZTimerTest.vcproj b/vc7/ZTimerTest.vcproj
index 7a399f2..44cc348 100644
--- a/vc7/ZTimerTest.vcproj
+++ b/vc7/ZTimerTest.vcproj
@@ -85,6 +85,7 @@ ZEngineSD.lib"
 				Name="VCLinkerTool"
 				AdditionalOptions="sdl.lib
 sdlmain.lib
+opengl32.lib
 sdl_ttf.lib
 sdl_mixer.lib
 sdl_image.lib