diff --git a/Source/cmGlobalNinjaGenerator.cxx b/Source/cmGlobalNinjaGenerator.cxx
index b1d8e5b97..7c1529b5b 100644
--- a/Source/cmGlobalNinjaGenerator.cxx
+++ b/Source/cmGlobalNinjaGenerator.cxx
@@ -743,12 +743,19 @@ void cmGlobalNinjaGenerator::WriteTargetAll(std::ostream& os)
 
 void cmGlobalNinjaGenerator::WriteTargetRebuildManifest(std::ostream& os)
 {
-  cmMakefile* mfRoot = this->LocalGenerators[0]->GetMakefile();
+  cmLocalGenerator *lg = this->LocalGenerators[0];
+  cmMakefile* mfRoot = lg->GetMakefile();
 
   std::ostringstream cmd;
-  cmd << mfRoot->GetRequiredDefinition("CMAKE_COMMAND")
-      << " -H" << mfRoot->GetHomeDirectory()
-      << " -B" << mfRoot->GetHomeOutputDirectory();
+  cmd << lg->ConvertToOutputFormat(
+           mfRoot->GetRequiredDefinition("CMAKE_COMMAND"),
+           cmLocalGenerator::SHELL)
+      << " -H"
+      << lg->ConvertToOutputFormat(mfRoot->GetHomeDirectory(),
+                                   cmLocalGenerator::SHELL)
+      << " -B"
+      << lg->ConvertToOutputFormat(mfRoot->GetHomeOutputDirectory(),
+                                   cmLocalGenerator::SHELL);
   WriteRule(*this->RulesFileStream,
             "RERUN_CMAKE",
             cmd.str(),
diff --git a/Source/cmNinjaNormalTargetGenerator.cxx b/Source/cmNinjaNormalTargetGenerator.cxx
index 4434aef76..0174c3d3d 100644
--- a/Source/cmNinjaNormalTargetGenerator.cxx
+++ b/Source/cmNinjaNormalTargetGenerator.cxx
@@ -198,7 +198,9 @@ cmNinjaNormalTargetGenerator
 
   if (this->TargetNameOut != this->TargetNameReal) {
     std::string cmakeCommand =
-      this->GetMakefile()->GetRequiredDefinition("CMAKE_COMMAND");
+      this->GetLocalGenerator()->ConvertToOutputFormat(
+        this->GetMakefile()->GetRequiredDefinition("CMAKE_COMMAND"),
+        cmLocalGenerator::SHELL);
     if (targetType == cmTarget::EXECUTABLE)
       this->GetGlobalGenerator()->AddRule("CMAKE_SYMLINK_EXECUTABLE",
                                           cmakeCommand +
@@ -238,7 +240,9 @@ cmNinjaNormalTargetGenerator
       // We have archive link commands set. First, delete the existing archive.
       std::vector<std::string> linkCmds;
       std::string cmakeCommand =
-        this->GetMakefile()->GetRequiredDefinition("CMAKE_COMMAND");
+        this->GetLocalGenerator()->ConvertToOutputFormat(
+          this->GetMakefile()->GetRequiredDefinition("CMAKE_COMMAND"),
+          cmLocalGenerator::SHELL);
       linkCmds.push_back(cmakeCommand + " -E remove $out");
 
       // TODO: Use ARCHIVE_APPEND for archives over a certain size.