diff --git a/src/ifcparse/IfcParse.cpp b/src/ifcparse/IfcParse.cpp
index 1c8ca87a7e..54eb97fc71 100644
--- a/src/ifcparse/IfcParse.cpp
+++ b/src/ifcparse/IfcParse.cpp
@@ -2400,4 +2400,4 @@ void IfcParse::IfcFile::build_inverses() {
 	}
 }
 
-std::atomic_uint32_t IfcUtil::IfcBaseClass::counter_ = 0;
\ No newline at end of file
+std::atomic_uint32_t IfcUtil::IfcBaseClass::counter_(0);
\ No newline at end of file