diff --git a/src/common/sysctl.c b/src/common/sysctl.c
index 8c933d1fe..526323458 100644
--- a/src/common/sysctl.c
+++ b/src/common/sysctl.c
@@ -1,7 +1,6 @@
 #include "sysctl.h"
 
 #include <stdlib.h>
-#include <sys/sysctl.h>
 
 void ffSysctlGetString(const char* propName, FFstrbuf* result)
 {
@@ -35,7 +34,7 @@ int64_t ffSysctlGetInt64(const char* propName, int64_t defaultValue)
     return result;
 }
 
-void* ffSysctlGetData(int* request, int requestLength, size_t* resultLength)
+void* ffSysctlGetData(int* request, u_int requestLength, size_t* resultLength)
 {
     if(sysctl(request, requestLength, NULL, resultLength, NULL, 0) != 0)
         return NULL;
diff --git a/src/common/sysctl.h b/src/common/sysctl.h
index 7669a043a..ebaab050d 100644
--- a/src/common/sysctl.h
+++ b/src/common/sysctl.h
@@ -4,10 +4,11 @@
 #define FF_INCLUDED_common_sysctl
 
 #include "fastfetch.h"
+#include <sys/sysctl.h>
 
 void ffSysctlGetString(const char* propName, FFstrbuf* result);
 int ffSysctlGetInt(const char* propName, int defaultValue);
 int64_t ffSysctlGetInt64(const char* propName, int64_t defaultValue);
-void* ffSysctlGetData(int* request, int requestLength, size_t* resultLength);
+void* ffSysctlGetData(int* request, u_int requestLength, size_t* resultLength);
 
 #endif
diff --git a/src/detection/memory/memory_apple.c b/src/detection/memory/memory_apple.c
index 260da072c..548098a65 100644
--- a/src/detection/memory/memory_apple.c
+++ b/src/detection/memory/memory_apple.c
@@ -1,5 +1,5 @@
 #include "memory.h"
-#include "common/systcl.h"
+#include "common/sysctl.h"
 
 #include <string.h>
 #include <mach/mach.h>
diff --git a/src/util/apple/cfdict_helpers.c b/src/util/apple/cfdict_helpers.c
index 9dd50ba9b..68ee0642b 100644
--- a/src/util/apple/cfdict_helpers.c
+++ b/src/util/apple/cfdict_helpers.c
@@ -16,7 +16,7 @@ bool ffCfDictGetString(CFDictionaryRef dict, CFStringRef key, FFstrbuf* result)
         {
             // CFStringGetCString ensures the buffer is NUL terminated
             // https://developer.apple.com/documentation/corefoundation/1542721-cfstringgetcstring
-            result->length = strnlen(result->chars, (uint32_t)result->allocated);
+            result->length = (uint32_t) strnlen(result->chars, (uint32_t)result->allocated);
         }
     }
     else if(CFGetTypeID(cf) == CFDataGetTypeID())