diff --git a/cmake/PAL.cmake b/cmake/PAL.cmake
index ef431ff92a..0359408200 100644
--- a/cmake/PAL.cmake
+++ b/cmake/PAL.cmake
@@ -298,21 +298,27 @@ function(ly_get_absolute_pal_filename out_name in_name)
 
     # parent relative path is optional
     if(${ARGC} GREATER 4)
-        set(parent_relative_path ${ARGV4})
+        if(ARGV4)
+            set(parent_relative_path ${ARGV4})
+        endif()
     endif()
 
     # The Default object path for path is the LY_ROOT_FOLDER
     cmake_path(SET object_path NORMALIZE "${LY_ROOT_FOLDER}")
     if(${ARGC} GREATER 3)
-        # The user has supplied an object restricted path, the object path for consideration
-        cmake_path(SET object_path NORMALIZE ${ARGV3})
+        if(ARGV3)
+            # The user has supplied an object restricted path, the object path for consideration
+            cmake_path(SET object_path NORMALIZE ${ARGV3})
+        endif()
     endif()
 
     # The default restricted object path is O3DE_ENGINE_RESTRICTED_PATH
     cmake_path(SET object_restricted_path NORMALIZE "${O3DE_ENGINE_RESTRICTED_PATH}")
     if(${ARGC} GREATER 2)
-        # The user has supplied an object restricted path
-        cmake_path(SET object_restricted_path NORMALIZE ${ARGV2})
+        if(ARGV3)
+            # The user has supplied an object restricted path
+            cmake_path(SET object_restricted_path NORMALIZE ${ARGV2})
+        endif()
     endif()
 
     if(${ARGC} GREATER 4)
@@ -394,27 +400,33 @@ function(ly_get_list_relative_pal_filename out_name in_name)
 
     # parent relative path is optional
     if(${ARGC} GREATER 4)
-        set(parent_relative_path ${ARGV4})
+        if(ARGV4)
+            set(parent_relative_path ${ARGV4})
+        endif()
     endif()
 
     # The Default object path for path is the LY_ROOT_FOLDER
     cmake_path(SET object_path NORMALIZE "${LY_ROOT_FOLDER}")
     if(${ARGC} GREATER 3)
-        # The user has supplied an object restricted path, the object path for consideration
-        cmake_path(SET object_path NORMALIZE ${ARGV3})
+        if(ARGV3)
+            # The user has supplied an object restricted path, the object path for consideration
+            cmake_path(SET object_path NORMALIZE ${ARGV3})
+        endif()
     endif()
 
     # The default restricted object path is O3DE_ENGINE_RESTRICTED_PATH
     cmake_path(SET object_restricted_path NORMALIZE "${O3DE_ENGINE_RESTRICTED_PATH}")
     if(${ARGC} GREATER 2)
-        # The user has supplied an object restricted path
-        cmake_path(SET object_restricted_path NORMALIZE ${ARGV2})
+        if(ARGV2)
+            # The user has supplied an object restricted path
+            cmake_path(SET object_restricted_path NORMALIZE ${ARGV2})
+        endif()
     endif()
 
     if(${ARGC} GREATER 4)
-        o3de_pal_dir(abs_name ${in_name} ${object_restricted_path} ${object_path} ${parent_relative_path})
+        o3de_pal_dir(abs_name ${in_name} "${object_restricted_path}" "${object_path}" "${parent_relative_path}")
     else()
-        o3de_pal_dir(abs_name ${in_name} ${object_restricted_path} ${object_path})
+        o3de_pal_dir(abs_name ${in_name} "${object_restricted_path}" "${object_path}")
     endif()
 
     cmake_path(RELATIVE_PATH abs_name BASE_DIRECTORY ${CMAKE_CURRENT_LIST_DIR} OUTPUT_VARIABLE relative_name)