diff --git a/Modelica/Resources/C-Sources/ModelicaInternal.c b/Modelica/Resources/C-Sources/ModelicaInternal.c
index 05f091e7d2..a1354e4a8f 100644
--- a/Modelica/Resources/C-Sources/ModelicaInternal.c
+++ b/Modelica/Resources/C-Sources/ModelicaInternal.c
@@ -384,10 +384,12 @@ void ModelicaInternal_mkdir(_In_z_ const char* directoryName) {
 
 void ModelicaInternal_rmdir(_In_z_ const char* directoryName) {
     /* Remove directory */
-#if defined(__WATCOMC__) || defined(__LCC__) || defined(_POSIX_) || defined(__GNUC__)
+#if defined(__WATCOMC__) || defined(__LCC__)
     int result = rmdir(directoryName);
 #elif defined(__BORLANDC__) || defined(_WIN32)
     int result = _rmdir(directoryName);
+#elif defined(_POSIX_) || defined(__GNUC__)
+    int result = rmdir(directoryName);
 #else
     ModelicaNotExistError("ModelicaInternal_rmdir");
 #endif