diff --git a/Source/CPack/cmCPackGenerator.cxx b/Source/CPack/cmCPackGenerator.cxx
index 76609e160d..58a22432be 100644
--- a/Source/CPack/cmCPackGenerator.cxx
+++ b/Source/CPack/cmCPackGenerator.cxx
@@ -626,7 +626,8 @@ int cmCPackGenerator::InstallProjectViaInstallCMakeProjects(
         cmGlobalGenerator gg(&cm);
         CM_AUTO_PTR<cmMakefile> mf(
           new cmMakefile(&gg, cm.GetCurrentSnapshot()));
-        if (!installSubDirectory.empty() && installSubDirectory != "/") {
+        if (!installSubDirectory.empty() && installSubDirectory != "/" &&
+            installSubDirectory != ".") {
           tempInstallDirectory += installSubDirectory;
         }
         if (componentInstall) {