diff --git a/.stylua.toml b/.stylua.toml
index df96b7b..ecb6dca 100644
--- a/.stylua.toml
+++ b/.stylua.toml
@@ -3,4 +3,4 @@ line_endings = "Unix"
 indent_type = "Spaces"
 indent_width = 2
 quote_style = "AutoPreferDouble"
-no_call_parentheses = true
+call_parentheses = "None"
diff --git a/Makefile b/Makefile
index 7a2cece..db6d9a6 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,4 @@
 CFLAGS = -Wall -Werror -fpic -std=gnu99
-COVERAGE ?=
 
 ifeq ($(OS),Windows_NT)
     MKD = -mkdir
@@ -19,7 +18,7 @@ build/$(TARGET): src/fzf.c src/fzf.h
 	$(CC) -O3 $(CFLAGS) -shared src/fzf.c -o build/$(TARGET)
 
 build/test: build/$(TARGET) test/test.c
-	$(CC) -Og -ggdb3 $(CFLAGS) $(COVERAGE) test/test.c -o build/test -I./src -L./build -lfzf -lexaminer
+	$(CC) -Og -ggdb3 $(CFLAGS) test/test.c -o build/test -I./src -L./build -lfzf -lexaminer
 
 build/benchmark: build/$(TARGET) test/benchmark.c
 	$(CC) -O3 $(CFLAGS) test/benchmark.c -o build/benchmark -I./src -L./build -lfzf -lcurl -lm
@@ -31,10 +30,6 @@ lint:
 format:
 	clang-format --style=file --dry-run -Werror src/fzf.c src/fzf.h test/test.c test/benchmark.c
 
-debug:
-	$(MKD) build
-	$(CC) -Og -ggdb3 $(CFLAGS) $(COVERAGE) -shared src/fzf.c -o build/$(TARGET)
-
 test: build/test
 	@LD_LIBRARY_PATH=${PWD}/build:${LD_LIBRARY_PATH} ./build/test
 
diff --git a/src/fzf.c b/src/fzf.c
index 7043748..d912482 100644
--- a/src/fzf.c
+++ b/src/fzf.c
@@ -199,7 +199,7 @@ static size_t min64u(size_t a, size_t b) {
 }
 
 static fzf_position_t *pos_array(bool with_pos, size_t len) {
-  if (with_pos) {
+  if (with_pos && len > 0) {
     fzf_position_t *pos = (fzf_position_t *)malloc(sizeof(fzf_position_t));
     pos->size = 0;
     pos->cap = len;
@@ -1232,7 +1232,10 @@ int32_t fzf_get_score(const char *text, fzf_pattern_t *pattern,
         }
         current_score = res.score;
         matched = true;
-      } else if (term->inv) {
+        break;
+      }
+
+      if (term->inv) {
         current_score = 0;
         matched = true;
       }
@@ -1274,7 +1277,10 @@ fzf_position_t *fzf_get_positions(const char *text, fzf_pattern_t *pattern,
         }
         current_res = res;
         matched = true;
-      } else if (term->inv) {
+        break;
+      }
+
+      if (term->inv) {
         matched = true;
       }
     }
diff --git a/test/test.c b/test/test.c
index 156ab1d..f6e26f8 100644
--- a/test/test.c
+++ b/test/test.c
@@ -738,6 +738,13 @@ TEST(pos_integration, simple_or) {
   pos_wrapper("'src | ^Lua", input, expected);
 }
 
+TEST(pos_integration, or_mem_leak) {
+  char *input[] = {"src/fzf.h", NULL};
+  int match1[] = {2, 1, 0, -1};
+  int *expected[] = {match1};
+  pos_wrapper("src | src", input, expected);
+}
+
 TEST(pos_integration, complex_term) {
   char *input[] = {"lua/random_previewer", "README.md",
                    "previewers/utils.lua", "previewers/buffer.lua",