diff --git a/histogram.cpp b/histogram.cpp
index 344f24d..e4be4b7 100644
--- a/histogram.cpp
+++ b/histogram.cpp
@@ -4,7 +4,7 @@
 
 using namespace std;
 
-void find_minmax(const vector<double> &numbers, double &min, double &max){
+void static find_minmax(const vector<double> &numbers, double &min, double &max){
     min = numbers[0];
     max = numbers[0];
     for (double x : numbers) {
diff --git a/lab01.cbp b/lab01.cbp
index 5f11f48..89f0c56 100644
--- a/lab01.cbp
+++ b/lab01.cbp
@@ -32,7 +32,11 @@
 			<Add option="-Wall" />
 			<Add option="-fexceptions" />
 		</Compiler>
+		<Unit filename="histogram.cpp" />
+		<Unit filename="histogram.h" />
 		<Unit filename="main.cpp" />
+		<Unit filename="text.cpp" />
+		<Unit filename="text.h" />
 		<Extensions />
 	</Project>
 </CodeBlocks_project_file>