1 files changed, 5 insertions, 2 deletions

diff --git a/src/engine/EngineForApplication.cpp b/src/engine/EngineForApplication.cpp
index c5eb5467..87a0782c 100644
--- a/src/engine/EngineForApplication.cpp
+++ b/src/engine/EngineForApplication.cpp
@@ -583,8 +583,11 @@ static HRESULT BAEngineSetVariableVersion(
 
     if (wzVariable && *wzVariable)
     {
-        hr = VerParseVersion(wzValue, 0, FALSE, &pVersion);
-        ExitOnFailure(hr, "Failed to parse new version value.");
+        if (wzValue)
+        {
+            hr = VerParseVersion(wzValue, 0, FALSE, &pVersion);
+            ExitOnFailure(hr, "Failed to parse new version value.");
+        }
 
         hr = VariableSetVersion(&pContext->pEngineState->variables, wzVariable, pVersion, FALSE);
         ExitOnFailure(hr, "Failed to set version variable.");