diff --git a/invesalius/utils.py b/invesalius/utils.py
index b16d0e7..2a0d86f 100755
--- a/invesalius/utils.py
+++ b/invesalius/utils.py
@@ -69,7 +69,7 @@ def frange(start, end=None, inc=None):
         end = start + 0.0
         start = 0.0
 
-    if inc == None:
+    if (inc == None) or (inc == 0):
         inc = 1.0
 
     L = []
@@ -81,4 +81,4 @@ def frange(start, end=None, inc=None):
             break
         L.append(next)
         
-    return L
\ No newline at end of file
+    return L
--
libgit2 0.21.2