diff --git a/panda/src/dxgsg7/Sources.pp b/panda/src/dxgsg7/Sources.pp
index b69cf51f41..4f2581d9f1 100644
--- a/panda/src/dxgsg7/Sources.pp
+++ b/panda/src/dxgsg7/Sources.pp
@@ -4,6 +4,11 @@
                    dtoolutil:c dtoolbase:c dtool:m
 #define USE_PACKAGES dx
 
+// We link with the DX8 libraries, because they're a superset of DX7
+// anyway, and it means we don't need to have the DX7 SDK available.
+#define WIN_SYS_LIBS \
+   d3d8.lib d3dx8.lib dxerr8.lib
+
 #begin lib_target
 
   #define TARGET dxgsg7
diff --git a/panda/src/dxgsg8/Sources.pp b/panda/src/dxgsg8/Sources.pp
index ee397048a5..4b7cc1637c 100644
--- a/panda/src/dxgsg8/Sources.pp
+++ b/panda/src/dxgsg8/Sources.pp
@@ -1,7 +1,12 @@
 #define BUILD_DIRECTORY $[HAVE_DX]
 
-#define OTHER_LIBS interrogatedb:c dconfig:c dtoolconfig:m \
-                   dtoolutil:c dtoolbase:c dtool:m
+#define OTHER_LIBS \
+   interrogatedb:c dconfig:c dtoolconfig:m \
+   dtoolutil:c dtoolbase:c dtool:m
+
+#define WIN_SYS_LIBS \
+   d3d8.lib d3dx8.lib dxerr8.lib
+   
 #define USE_PACKAGES dx
 
 #begin lib_target
diff --git a/panda/src/dxgsg9/Sources.pp b/panda/src/dxgsg9/Sources.pp
index f5561f55e8..fcdc9ad42d 100755
--- a/panda/src/dxgsg9/Sources.pp
+++ b/panda/src/dxgsg9/Sources.pp
@@ -4,6 +4,9 @@
                    dtoolutil:c dtoolbase:c dtool:m
 #define USE_PACKAGES dx
 
+#define WIN_SYS_LIBS \
+   d3d9.lib d3dx9.lib dxerr9.lib
+
 #begin lib_target
   #define TARGET dxgsg9
   #define LOCAL_LIBS \