diff --git a/src/Integration.Vsix.UnitTests/CFamily/CmdBuilderTests.cs b/src/Integration.Vsix.UnitTests/CFamily/CmdBuilderTests.cs
index 83bab31feb..948caad7f8 100644
--- a/src/Integration.Vsix.UnitTests/CFamily/CmdBuilderTests.cs
+++ b/src/Integration.Vsix.UnitTests/CFamily/CmdBuilderTests.cs
@@ -421,6 +421,9 @@ public void GetPotentiallyUnsupportedPropertyValue_CriticalException_IsNotSuppre
 
         [TestMethod]
         [DataRow("a/b/c/", "\"a\\b\\c\"")]
+        [DataRow("   a/b/c/", "\"a\\b\\c\"")]
+        [DataRow("a/b/c/  ", "\"a\\b\\c\"")]
+        [DataRow("  a/b/c/  ", "\"a\\b\\c\"")]
         [DataRow("a\\b\\c\\", "\"a\\b\\c\"")]
         [DataRow("a\\b/c\\\\", "\"a\\b\\c\"")]
         [DataRow("\"a\\\\b/c\"", "\"a\\b\\c\"")]
diff --git a/src/Integration.Vsix/CFamily/VcxProject/CmdBuilder.cs b/src/Integration.Vsix/CFamily/VcxProject/CmdBuilder.cs
index e2b2d3a2c8..c3387d805a 100644
--- a/src/Integration.Vsix/CFamily/VcxProject/CmdBuilder.cs
+++ b/src/Integration.Vsix/CFamily/VcxProject/CmdBuilder.cs
@@ -83,7 +83,7 @@ public void AddCompiler(string path)
         internal /* for testing */ static string AdjustPath(string path)
         {
             // path cannot be empty
-            path = path.Replace("/", @"\");
+            path = path.Trim().Replace("/", @"\");
 
             path = DoubleSeparatorRegEx.Replace(path, @"\");
 
@@ -180,8 +180,8 @@ internal void AddOptFromProperties(IVCRulePropertyStorage properties)
 
         private void AddListOptions(IVCRulePropertyStorage ivcRulePropertyStorage, string vsOption, string compileOption, string[] separator, bool addQuote = true)
         {
-            var additionalIncludeDirectories = ivcRulePropertyStorage.GetEvaluatedPropertyValue(vsOption);
-            string[] opts = additionalIncludeDirectories.Split(separator, StringSplitOptions.RemoveEmptyEntries);
+            var listOptions = ivcRulePropertyStorage.GetEvaluatedPropertyValue(vsOption);
+            string[] opts = listOptions.Split(separator, StringSplitOptions.RemoveEmptyEntries);
             foreach (string opt in opts)
             {
                 AddCmdOpt(addQuote ? compileOption + AddQuote(opt) : compileOption + opt);
@@ -190,8 +190,8 @@ private void AddListOptions(IVCRulePropertyStorage ivcRulePropertyStorage, strin
 
         private void AddPathListOptions(IVCRulePropertyStorage ivcRulePropertyStorage, string vsOption, string compileOption, string[] separator)
         {
-            var additionalIncludeDirectories = ivcRulePropertyStorage.GetEvaluatedPropertyValue(vsOption);
-            string[] opts = additionalIncludeDirectories.Split(separator, StringSplitOptions.RemoveEmptyEntries);
+            var pathListOptions = ivcRulePropertyStorage.GetEvaluatedPropertyValue(vsOption);
+            string[] opts = pathListOptions.Split(separator, StringSplitOptions.RemoveEmptyEntries);
             foreach (string opt in opts)
             {
                 AddCmdOpt(compileOption + AdjustPath(opt));