diff --git a/.github/workflows/run_test.yml b/.github/workflows/run_test.yml
index c45bcbfcc..69bad0e20 100644
--- a/.github/workflows/run_test.yml
+++ b/.github/workflows/run_test.yml
@@ -26,7 +26,8 @@ jobs:
         continue-on-error: true  
       - name: Test with pytest  
         run: |  
-          coverage run -m pytest tests/tests_1b.py -v -s  
+          coverage run -m pytest tests/tests_1b.py -v -s
+          coverage run -m pytest tests/tests_1c.py -v -s
       - name: Generate Coverage Report  
         run: |  
           coverage report -m
\ No newline at end of file
diff --git a/labs/lab_1/lab_1c.py b/labs/lab_1/lab_1c.py
index 40cf98db3..5f1369e56 100644
--- a/labs/lab_1/lab_1c.py
+++ b/labs/lab_1/lab_1c.py
@@ -24,7 +24,7 @@ def max_subarray_sum(nums: list[int]) -> int:
     
     for num in nums:
         max_current = max(num, max_current + num)
-        if max_current < max_global:
+        if max_current > max_global:
             max_global = max_current
             
     return max_global
diff --git a/tests/tests_1c.py b/tests/tests_1c.py
new file mode 100644
index 000000000..306242ae7
--- /dev/null
+++ b/tests/tests_1c.py
@@ -0,0 +1,17 @@
+"""
+tests_1b.py
+
+This module contains unit tests for the max_subarray_sum function defined in lab_1b.py.
+"""
+
+import pytest
+from labs.lab_1.lab_1c import max_subarray_sum
+
+def test():
+    assert max_subarray_sum([-2,1,-3,4,-1,2,1,-5,4]) == 6
+    assert max_subarray_sum([-2,1,-3,4,-1,2,3,-5,4]) == 8
+    assert max_subarray_sum([-2,1,-3,1,-1,2,1,-5,4]) == 4
+
+
+if __name__ == "__main__":
+    pytest.main()
\ No newline at end of file