diff --git a/libs/netcdf/netcdf.py b/libs/netcdf/netcdf.py
index 069c455d..83b4cb59 100644
--- a/libs/netcdf/netcdf.py
+++ b/libs/netcdf/netcdf.py
@@ -1,26 +1,26 @@
 import info
 from Package.CMakePackageBase import *
 
 class subinfo(info.infoclass):
     def setTargets(self):
         self.svnTargets['master'] = "[git]https://github.com/Unidata/netcdf-c.git"
         for ver in ["4.7.3"]:
             self.targets[ver] = f"https://github.com/Unidata/netcdf-c/archive/v{ver}.tar.gz"
             self.archiveNames[ver] = f"v{ver}.tar.gz"
             self.targetInstSrc[ver] = f"netcdf-c-{ver}"
         self.targetDigests['4.7.3'] = (
             ['05d064a2d55147b83feff3747bea13deb77bef390cb562df4f9f9f1ce147840d'], CraftHash.HashAlgorithm.SHA256)
         self.description = 'A set of software libraries and self-describing, machine-independent data formats that support the creation, access, and sharing of array-oriented scientific data'
         self.defaultTarget = '4.7.3'
 
     def setDependencies(self):
         self.runtimeDependencies["virtual/base"] = None
         self.buildDependencies["libs/hdf5"] = None
         self.runtimeDependencies["libs/libcurl"] = None
 
 class Package(CMakePackageBase):
     def __init__(self, **args):
         CMakePackageBase.__init__(self)
         #self.subinfo.options.configure.args = "-DHDF5_DIR=${CPP}/cmake/hdf5"
-        hdf5dir = [ os.path.join(self.installDir(), "cmake", "hdf5")]
-        self.subinfo.options.configure.args = "-DHDF5_DIR={hdf5dir}"
+        hdf5dir = os.path.join(self.installDir(), "cmake", "hdf5")
+        self.subinfo.options.configure.args = f"-DHDF5_DIR={hdf5dir}"