diff --git a/examples/split_examples/va_benchmark_split.py b/examples/split_examples/va_benchmark_split.py
index a6d9d28..ba8957e 100755
--- a/examples/split_examples/va_benchmark_split.py
+++ b/examples/split_examples/va_benchmark_split.py
@@ -92,7 +92,7 @@
 Rm = 1e-6 / (g_leak * area)            # membrane resistance in MΩ
 assert tau_m == cm * Rm                # just to check
 
-n_exc = round((n * r_ei / (1 + r_ei)))  # number of excitatory cells
+n_exc = round(n * r_ei / (1 + r_ei))  # number of excitatory cells
 n_inh = n - n_exc                            # number of inhibitory cells
 
 print(n_exc, n_inh)
diff --git a/examples/va_benchmark.py b/examples/va_benchmark.py
index 0831665..3ccc99b 100644
--- a/examples/va_benchmark.py
+++ b/examples/va_benchmark.py
@@ -95,7 +95,7 @@
 Rm = 1e-6 / (g_leak * area)            # membrane resistance in MΩ
 assert tau_m == cm * Rm                # just to check
 
-n_exc = round((n * r_ei / (1 + r_ei)))  # number of excitatory cells
+n_exc = round(n * r_ei / (1 + r_ei))  # number of excitatory cells
 n_inh = n - n_exc                       # number of inhibitory cells
 
 print(n_exc, n_inh)