diff --git a/opendm/gcp.py b/opendm/gcp.py
index 31f193166..98cfc7098 100644
--- a/opendm/gcp.py
+++ b/opendm/gcp.py
@@ -19,7 +19,8 @@ def read(self):
 
             # Strip eventual BOM characters
             contents = contents.replace('\ufeff', '')
-            
+            # Replace NaN with 0
+            contents = contents.replace('NaN', '0')
             lines = list(map(str.strip, contents.split('\n')))
             if lines:
                 self.raw_srs = lines[0] # SRS
@@ -241,4 +242,4 @@ def __str__(self):
         return "{} {} {} {} {} {} {}".format(self.x, self.y, self.z, 
                                              self.px, self.py, 
                                              self.filename, 
-                                             self.extras).rstrip()
\ No newline at end of file
+                                             self.extras).rstrip()