diff --git a/C/samples/makefile b/C/samples/makefile
index 35e2d504..f6e9010e 100644
--- a/C/samples/makefile
+++ b/C/samples/makefile
@@ -21,7 +21,7 @@ LIBS=`pkg-config --libs ${DEPS}`
 DEBUG= #'-g'
 STANDARD=-std=c99
 WARNINGS=-Wall
-
+FAST=-Ofast
 ## Formatter
 STYLE_BLUEPRINT=webkit
 FORMATTER=clang-format -i -style=$(STYLE_BLUEPRINT)
@@ -30,6 +30,9 @@ FORMATTER=clang-format -i -style=$(STYLE_BLUEPRINT)
 build: $(SRC)
 	$(CC) $(DEBUG) $(INCS) $(PLUGS) $(SRC) -o samples $(LIBS)
 
+fast: $(SRC)
+	$(CC) $(FAST) $(DEBUG) $(INCS) $(PLUGS) $(SRC) -o samples $(LIBS)
+
 format: $(SRC)
 	$(FORMATTER) $(SRC)