diff --git a/crates/algorithms/algorithms-c/project.yml b/crates/algorithms/algorithms-c/project.yml
index cead82f..f1f38a6 100755
--- a/crates/algorithms/algorithms-c/project.yml
+++ b/crates/algorithms/algorithms-c/project.yml
@@ -129,11 +129,12 @@
   :use_test_definition: FALSE 
 
 # Configure additional command line flags provided to tools used in each build step
-# :flags:
-#   :release:
-#     :compile:         # Add '-Wall' and '--02' to compilation of all files in release target
-#       - -Wall
-#       - --O2
+:flags:
+  :release:
+    :compile:         # Add '-Wall' and '--02' to compilation of all files in release target
+      - -Wall
+      - -O3
+      - -g
 #   :test:
 #     :compile:
 #       '(_|-)special': # Add '-pedantic' to compilation of all files in all test executables with '_special' or '-special' in their names
@@ -383,8 +384,6 @@
   :release_compiler: 
     :executable: "#{ENV['CC']}"
     :arguments: 
-      - "-g" 
-      - "-Wall"
       - "-c"
       - "${1}"
       - "-o"
diff --git a/crates/algorithms/algorithms-c/test/crc/test_crc32.c b/crates/algorithms/algorithms-c/test/crc/test_crc32.c
index 692f109..88926d7 100755
--- a/crates/algorithms/algorithms-c/test/crc/test_crc32.c
+++ b/crates/algorithms/algorithms-c/test/crc/test_crc32.c
@@ -10,4 +10,5 @@ void tearDown(void) {}
 void test_crc32_check(void) {
   TEST_ASSERT_EQUAL_INT(crc32_checksum(CRC_CHECK_DATA, CRC_CHECK_DATA_LEN),
                         0xCBF43926);
+  TEST_ASSERT_EQUAL_INT(crc32_checksum("Hello World", 11), 1243066710);
 }