diff --git a/Source/CPack/cmCPackBundleGenerator.cxx b/Source/CPack/cmCPackBundleGenerator.cxx
index 3a6f7f41e3..82a4935ec9 100644
--- a/Source/CPack/cmCPackBundleGenerator.cxx
+++ b/Source/CPack/cmCPackBundleGenerator.cxx
@@ -27,8 +27,7 @@ int cmCPackBundleGenerator::InitializeInternal()
   }
 
   if (this->GetOption("CPACK_BUNDLE_APPLE_CERT_APP")) {
-    std::string const codesign_path = cmSystemTools::FindProgram(
-      "codesign", std::vector<std::string>(), false);
+    std::string const codesign_path = cmSystemTools::FindProgram("codesign");
 
     if (codesign_path.empty()) {
       cmCPackLogger(cmCPackLog::LOG_ERROR,
diff --git a/Source/CPack/cmCPackDragNDropGenerator.cxx b/Source/CPack/cmCPackDragNDropGenerator.cxx
index 8d2f516e1c..4b26a631bd 100644
--- a/Source/CPack/cmCPackDragNDropGenerator.cxx
+++ b/Source/CPack/cmCPackDragNDropGenerator.cxx
@@ -75,8 +75,7 @@ int cmCPackDragNDropGenerator::InitializeInternal()
   paths.emplace_back("/Applications/Xcode.app/Contents/Developer/Tools");
   paths.emplace_back("/Developer/Tools");
 
-  std::string const hdiutil_path =
-    cmSystemTools::FindProgram("hdiutil", std::vector<std::string>(), false);
+  std::string const hdiutil_path = cmSystemTools::FindProgram("hdiutil");
   if (hdiutil_path.empty()) {
     cmCPackLogger(cmCPackLog::LOG_ERROR,
                   "Cannot locate hdiutil command" << std::endl);
@@ -85,7 +84,7 @@ int cmCPackDragNDropGenerator::InitializeInternal()
   this->SetOptionIfNotSet("CPACK_COMMAND_HDIUTIL", hdiutil_path);
 
   std::string const setfile_path =
-    cmSystemTools::FindProgram("SetFile", paths, false);
+    cmSystemTools::FindProgram("SetFile", paths);
   if (setfile_path.empty()) {
     cmCPackLogger(cmCPackLog::LOG_ERROR,
                   "Cannot locate SetFile command" << std::endl);
@@ -93,7 +92,7 @@ int cmCPackDragNDropGenerator::InitializeInternal()
   }
   this->SetOptionIfNotSet("CPACK_COMMAND_SETFILE", setfile_path);
 
-  std::string const rez_path = cmSystemTools::FindProgram("Rez", paths, false);
+  std::string const rez_path = cmSystemTools::FindProgram("Rez", paths);
   if (rez_path.empty()) {
     cmCPackLogger(cmCPackLog::LOG_ERROR,
                   "Cannot locate Rez command" << std::endl);
diff --git a/Source/CPack/cmCPackInnoSetupGenerator.cxx b/Source/CPack/cmCPackInnoSetupGenerator.cxx
index f76deb2b48..ed0b2c4e6b 100644
--- a/Source/CPack/cmCPackInnoSetupGenerator.cxx
+++ b/Source/CPack/cmCPackInnoSetupGenerator.cxx
@@ -46,8 +46,8 @@ int cmCPackInnoSetupGenerator::InitializeInternal()
 #endif
 
   SetOptionIfNotSet("CPACK_INNOSETUP_EXECUTABLE", "ISCC");
-  std::string const& isccPath = cmSystemTools::FindProgram(
-    GetOption("CPACK_INNOSETUP_EXECUTABLE"), path, false);
+  std::string const& isccPath =
+    cmSystemTools::FindProgram(GetOption("CPACK_INNOSETUP_EXECUTABLE"), path);
 
   if (isccPath.empty()) {
     cmCPackLogger(cmCPackLog::LOG_ERROR,
diff --git a/Source/CPack/cmCPackNSISGenerator.cxx b/Source/CPack/cmCPackNSISGenerator.cxx
index bc18e824bd..fb8e81ba8c 100644
--- a/Source/CPack/cmCPackNSISGenerator.cxx
+++ b/Source/CPack/cmCPackNSISGenerator.cxx
@@ -466,7 +466,7 @@ int cmCPackNSISGenerator::InitializeInternal()
 
   this->SetOptionIfNotSet("CPACK_NSIS_EXECUTABLE", "makensis");
   nsisPath = cmSystemTools::FindProgram(
-    *this->GetOption("CPACK_NSIS_EXECUTABLE"), path, false);
+    *this->GetOption("CPACK_NSIS_EXECUTABLE"), path);
 
   if (nsisPath.empty()) {
     cmCPackLogger(
diff --git a/Source/CPack/cmCPackProductBuildGenerator.cxx b/Source/CPack/cmCPackProductBuildGenerator.cxx
index 32f9a7cef3..4193f8c45f 100644
--- a/Source/CPack/cmCPackProductBuildGenerator.cxx
+++ b/Source/CPack/cmCPackProductBuildGenerator.cxx
@@ -127,9 +127,7 @@ int cmCPackProductBuildGenerator::InitializeInternal()
 {
   this->SetOptionIfNotSet("CPACK_PACKAGING_INSTALL_PREFIX", "/Applications");
 
-  std::vector<std::string> no_paths;
-  std::string program =
-    cmSystemTools::FindProgram("pkgbuild", no_paths, false);
+  std::string program = cmSystemTools::FindProgram("pkgbuild");
   if (program.empty()) {
     cmCPackLogger(cmCPackLog::LOG_ERROR,
                   "Cannot find pkgbuild executable" << std::endl);
@@ -137,7 +135,7 @@ int cmCPackProductBuildGenerator::InitializeInternal()
   }
   this->SetOptionIfNotSet("CPACK_COMMAND_PKGBUILD", program);
 
-  program = cmSystemTools::FindProgram("productbuild", no_paths, false);
+  program = cmSystemTools::FindProgram("productbuild");
   if (program.empty()) {
     cmCPackLogger(cmCPackLog::LOG_ERROR,
                   "Cannot find productbuild executable" << std::endl);
diff --git a/Source/CTest/cmCTestTestHandler.cxx b/Source/CTest/cmCTestTestHandler.cxx
index 69ab748ca3..ef2359f455 100644
--- a/Source/CTest/cmCTestTestHandler.cxx
+++ b/Source/CTest/cmCTestTestHandler.cxx
@@ -1708,7 +1708,7 @@ std::string cmCTestTestHandler::FindExecutable(
   // if everything else failed, check the users path, but only if a full path
   // wasn't specified
   if (fullPath.empty() && filepath.empty()) {
-    std::string path = cmSystemTools::FindProgram(filename.c_str());
+    std::string path = cmSystemTools::FindProgram(filename);
     if (!path.empty()) {
       resultingConfig.clear();
       return path;
diff --git a/Source/cmSystemTools.cxx b/Source/cmSystemTools.cxx
index 1968f3b75b..a8691f3125 100644
--- a/Source/cmSystemTools.cxx
+++ b/Source/cmSystemTools.cxx
@@ -2992,6 +2992,16 @@ unsigned int cmSystemTools::RandomNumber()
   return static_cast<unsigned int>(gen());
 }
 
+std::string cmSystemTools::FindProgram(std::string const& name,
+                                       std::vector<std::string> const& path)
+{
+  std::string exe = cmsys::SystemTools::FindProgram(name, path);
+  if (!exe.empty()) {
+    exe = cmSystemTools::ToNormalizedPathOnDisk(std::move(exe));
+  }
+  return exe;
+}
+
 namespace {
 std::string InitLogicalWorkingDirectory()
 {
@@ -3065,11 +3075,7 @@ std::string FindOwnExecutable(char const* argv0)
     }
   }
 #else
-  std::string errorMsg;
-  std::string exe;
-  if (!cmSystemTools::FindProgramPath(argv0, exe, errorMsg)) {
-    // ???
-  }
+  std::string exe = cmsys::SystemTools::FindProgram(argv0);
 #endif
   exe = cmSystemTools::ToNormalizedPathOnDisk(std::move(exe));
   return exe;
diff --git a/Source/cmSystemTools.h b/Source/cmSystemTools.h
index 16c5caa321..892da76c1b 100644
--- a/Source/cmSystemTools.h
+++ b/Source/cmSystemTools.h
@@ -560,6 +560,14 @@ public:
   static unsigned int RandomSeed();
   static unsigned int RandomNumber();
 
+  /**
+   * Find an executable in the system PATH, with optional extra paths.
+   * This wraps KWSys's FindProgram to add ToNormalizedPathOnDisk.
+   */
+  static std::string FindProgram(
+    std::string const& name,
+    std::vector<std::string> const& path = std::vector<std::string>());
+
   /** Find the directory containing CMake executables.  */
   static void FindCMakeResources(char const* argv0);