diff --git a/Utilities/StrUtil.h b/Utilities/StrUtil.h
index d274cc074d..66c351d60f 100644
--- a/Utilities/StrUtil.h
+++ b/Utilities/StrUtil.h
@@ -13,13 +13,13 @@ std::string wchar_to_utf8(std::wstring_view src);
 std::string utf16_to_utf8(std::u16string_view src);
 std::u16string utf8_to_utf16(std::string_view src);
 
-// Copy null-terminated string from a std::string or a char array to a char array with truncation
-template <typename D, typename T>
+// Copy null-terminated string from a std::basic_string or a char array to a char array with truncation
+template <typename D, typename T> requires requires (D& d, T& t) { std::declval<decltype(&t[0])&>() = &d[0]; }
 inline void strcpy_trunc(D&& dst, const T& src)
 {
 	const usz count = std::size(src) >= std::size(dst) ? std::max<usz>(std::size(dst), 1) - 1 : std::size(src);
-	std::memcpy(std::data(dst), std::data(src), count);
-	std::memset(std::data(dst) + count, 0, std::size(dst) - count);
+	std::copy_n(std::data(src), count, std::data(dst));
+	std::fill_n(std::data(dst) + count, std::size(dst) - count, std::remove_cvref_t<decltype(dst[0])>{});
 }
 
 // Convert string to signed integer
diff --git a/rpcs3/Emu/Cell/Modules/sceNp.h b/rpcs3/Emu/Cell/Modules/sceNp.h
index 88dd2d816b..1bc0a345db 100644
--- a/rpcs3/Emu/Cell/Modules/sceNp.h
+++ b/rpcs3/Emu/Cell/Modules/sceNp.h
@@ -1397,9 +1397,9 @@ struct SceNpBasicMessageDetails
 // Presence details of an user
 struct SceNpBasicPresenceDetails
 {
-	s8 title[SCE_NP_BASIC_PRESENCE_TITLE_SIZE_MAX];
-	s8 status[SCE_NP_BASIC_PRESENCE_STATUS_SIZE_MAX];
-	s8 comment[SCE_NP_BASIC_PRESENCE_COMMENT_SIZE_MAX];
+	char title[SCE_NP_BASIC_PRESENCE_TITLE_SIZE_MAX];
+	char status[SCE_NP_BASIC_PRESENCE_STATUS_SIZE_MAX];
+	char comment[SCE_NP_BASIC_PRESENCE_COMMENT_SIZE_MAX];
 	u8 data[SCE_NP_BASIC_MAX_PRESENCE_SIZE];
 	be_t<u32> size;
 	be_t<s32> state;
@@ -1410,9 +1410,9 @@ struct SceNpBasicPresenceDetails2
 {
 	be_t<u32> struct_size;
 	be_t<s32> state;
-	s8 title[SCE_NP_BASIC_PRESENCE_TITLE_SIZE_MAX];
-	s8 status[SCE_NP_BASIC_PRESENCE_EXTENDED_STATUS_SIZE_MAX];
-	s8 comment[SCE_NP_BASIC_PRESENCE_COMMENT_SIZE_MAX];
+	char title[SCE_NP_BASIC_PRESENCE_TITLE_SIZE_MAX];
+	char status[SCE_NP_BASIC_PRESENCE_EXTENDED_STATUS_SIZE_MAX];
+	char comment[SCE_NP_BASIC_PRESENCE_COMMENT_SIZE_MAX];
 	u8 data[SCE_NP_BASIC_MAX_PRESENCE_SIZE];
 	be_t<u32> size;
 };
@@ -1420,9 +1420,9 @@ struct SceNpBasicPresenceDetails2
 // Country/region code
 struct SceNpCountryCode
 {
-	s8 data[2];
-	s8 term;
-	s8 padding[1];
+	char data[2];
+	char term;
+	char padding[1];
 };
 
 // Date information
@@ -1451,8 +1451,8 @@ struct SceNpScoreGameInfo
 // Ranking comment structure
 struct SceNpScoreComment
 {
-	s8 data[SCE_NP_SCORE_COMMENT_MAXLEN];
-	s8 term[1];
+	char data[SCE_NP_SCORE_COMMENT_MAXLEN];
+	char term[1];
 };
 
 // Ranking information structure
@@ -1524,15 +1524,15 @@ struct SceNpScoreNpIdPcId
 // Basic clan information to be used in raking
 struct SceNpScoreClanBasicInfo
 {
-	s8 clanName[SCE_NP_CLANS_CLAN_NAME_MAX_LENGTH + 1];
-	s8 clanTag[SCE_NP_CLANS_CLAN_TAG_MAX_LENGTH + 1];
+	char clanName[SCE_NP_CLANS_CLAN_NAME_MAX_LENGTH + 1];
+	char clanTag[SCE_NP_CLANS_CLAN_TAG_MAX_LENGTH + 1];
 	u8 reserved[10];
 };
 
 // Clan member information handled in ranking
 struct SceNpScoreClansMemberDescription
 {
-	s8 description[SCE_NP_CLANS_CLAN_DESCRIPTION_MAX_LENGTH + 1];
+	char description[SCE_NP_CLANS_CLAN_DESCRIPTION_MAX_LENGTH + 1];
 };
 
 // Clan ranking information