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-rw-r--r--Source/cmConditionEvaluator.cxx2
1 files changed, 1 insertions, 1 deletions
diff --git a/Source/cmConditionEvaluator.cxx b/Source/cmConditionEvaluator.cxx
index 90b3f6d..172ef92 100644
--- a/Source/cmConditionEvaluator.cxx
+++ b/Source/cmConditionEvaluator.cxx
@@ -494,7 +494,7 @@ bool cmConditionEvaluator::HandleLevel1(cmArgumentList& newArgs, std::string&,
if (argP1len > 4 && argP1->GetValue().substr(0, 4) == "ENV{" &&
argP1->GetValue().operator[](argP1len - 1) == '}') {
std::string env = argP1->GetValue().substr(4, argP1len - 5);
- bdef = cmSystemTools::HasEnv(env.c_str());
+ bdef = cmSystemTools::HasEnv(env);
} else {
bdef = this->Makefile.IsDefinitionSet(argP1->GetValue());
}