diff --git a/src/EnergyPlus/api/datatransfer.cc b/src/EnergyPlus/api/datatransfer.cc
index fa6d83bdad3..ff98d413d0e 100644
--- a/src/EnergyPlus/api/datatransfer.cc
+++ b/src/EnergyPlus/api/datatransfer.cc
@@ -243,7 +243,7 @@ void resetErrorFlag(EnergyPlusState state)
 char *inputFilePath(EnergyPlusState state)
 {
     const auto *thisState = static_cast<EnergyPlus::EnergyPlusData *>(state);
-    char *p = new char[std::strlen(thisState->dataStrGlobals->inputFilePath.c_str()) + 1];
+    char *p = new char[std::strlen(thisState->dataStrGlobals->inputFilePath.string().c_str()) + 1];
     std::strcpy(p, thisState->dataStrGlobals->inputFilePath.c_str());
     return p;
 }
diff --git a/tst/EnergyPlus/api/TestDataTransfer.c b/tst/EnergyPlus/api/TestDataTransfer.c
index ccd767010b0..5544756772d 100644
--- a/tst/EnergyPlus/api/TestDataTransfer.c
+++ b/tst/EnergyPlus/api/TestDataTransfer.c
@@ -107,7 +107,7 @@ void afterZoneTimeStepHandler(EnergyPlusState state)
             exit(1);
         }
 
-        char * filePath = inputFilePath(state);
+        char *filePath = inputFilePath(state);
         printf("Input file path accessed via API: %s\n", filePath);
         free(filePath);