diff --git a/examples/testtimeseries.cpp b/examples/testtimeseries.cpp
index 1f57bac..e3ed88e 100644
--- a/examples/testtimeseries.cpp
+++ b/examples/testtimeseries.cpp
@@ -47,8 +47,8 @@ REGISTER_TEMPLATE(DailyBlock);
 REGISTER(Stock);
 
 inline int random(unsigned mod) { return rand() % mod; }
-inline float fmax(float x, float y) { return x > y ? x : y; }
-inline float fmin(float x, float y) { return x < y ? x : y; }
+inline float my_fmax(float x, float y) { return x > y ? x : y; }
+inline float my_fmin(float x, float y) { return x < y ? x : y; }
 
 int main(int argc, char* argv[])
 {
@@ -66,8 +66,8 @@ int main(int argc, char* argv[])
             quote.timestamp = i;
             quote.open = (float)random(10000)/100;
             quote.close = (float)random(10000)/100;
-            quote.high = fmax(quote.open, quote.close);
-            quote.low = fmin(quote.open, quote.close);
+            quote.high = my_fmax(quote.open, quote.close);
+            quote.low = my_fmin(quote.open, quote.close);
             quote.volume = random(1000);
             proc.add(stockId, quote); // add new element in time series
         }