diff --git a/src/core/mem_func.hpp b/src/core/mem_func.hpp
index da87405e69..db2faa9c14 100644
--- a/src/core/mem_func.hpp
+++ b/src/core/mem_func.hpp
@@ -10,8 +10,6 @@
 #ifndef MEM_FUNC_HPP
 #define MEM_FUNC_HPP
 
-#include "math_func.hpp"
-
 /**
  * Type-safe version of memcpy().
  *
diff --git a/src/language.h b/src/language.h
index 603ca8cfdd..4f1a50a29d 100644
--- a/src/language.h
+++ b/src/language.h
@@ -24,22 +24,22 @@ static const uint8_t MAX_NUM_CASES   = 16; ///< Maximum number of supported case
 struct LanguagePackHeader {
 	static const uint32_t IDENT = 0x474E414C; ///< Identifier for OpenTTD language files, big endian for "LANG"
 
-	uint32_t ident;       ///< 32-bits identifier
-	uint32_t version;     ///< 32-bits of auto generated version info which is basically a hash of strings.h
-	char name[32];      ///< the international name of this language
-	char own_name[32];  ///< the localized name of this language
-	char isocode[16];   ///< the ISO code for the language (not country code)
-	uint16_t offsets[TEXT_TAB_END]; ///< the offsets
+	uint32_t ident = 0; ///< 32-bits identifier
+	uint32_t version = 0; ///< 32-bits of auto generated version info which is basically a hash of strings.h
+	char name[32] = ""; ///< the international name of this language
+	char own_name[32] = ""; ///< the localized name of this language
+	char isocode[16] = ""; ///< the ISO code for the language (not country code)
+	uint16_t offsets[TEXT_TAB_END] = {}; ///< the offsets
 
 	/** Thousand separator used for anything not currencies */
-	char digit_group_separator[8];
+	char digit_group_separator[8] = ",";
 	/** Thousand separator used for currencies */
-	char digit_group_separator_currency[8];
+	char digit_group_separator_currency[8] = ",";
 	/** Decimal separator */
-	char digit_decimal_separator[8];
-	uint16_t missing;     ///< number of missing strings.
-	uint8_t plural_form;   ///< plural form index
-	uint8_t text_dir;      ///< default direction of the text
+	char digit_decimal_separator[8] = ".";
+	uint16_t missing = 0; ///< number of missing strings.
+	uint8_t plural_form = 0; ///< plural form index
+	uint8_t text_dir = 0; ///< default direction of the text
 	/**
 	 * Windows language ID:
 	 * Windows cannot and will not convert isocodes to something it can use to
@@ -48,14 +48,14 @@ struct LanguagePackHeader {
 	 * what language it is in "Windows". The ID is the 'locale identifier' on:
 	 *   http://msdn.microsoft.com/en-us/library/ms776294.aspx
 	 */
-	uint16_t winlangid;   ///< windows language id
-	uint8_t newgrflangid; ///< newgrf language id
-	uint8_t num_genders;  ///< the number of genders of this language
-	uint8_t num_cases;    ///< the number of cases of this language
-	uint8_t pad[3];        ///< pad header to be a multiple of 4
+	uint16_t winlangid = 0; ///< windows language id
+	uint8_t newgrflangid = 0; ///< newgrf language id
+	uint8_t num_genders = 0; ///< the number of genders of this language
+	uint8_t num_cases = 0; ///< the number of cases of this language
+	uint8_t pad[3] = {}; ///< pad header to be a multiple of 4
 
-	char genders[MAX_NUM_GENDERS][CASE_GENDER_LEN]; ///< the genders used by this translation
-	char cases[MAX_NUM_CASES][CASE_GENDER_LEN];     ///< the cases used by this translation
+	char genders[MAX_NUM_GENDERS][CASE_GENDER_LEN] = {}; ///< the genders used by this translation
+	char cases[MAX_NUM_CASES][CASE_GENDER_LEN] = {}; ///< the cases used by this translation
 
 	bool IsValid() const;
 	bool IsReasonablyFinished() const;
diff --git a/src/strgen/strgen_base.cpp b/src/strgen/strgen_base.cpp
index 8e5a2fcc60..9770efecc3 100644
--- a/src/strgen/strgen_base.cpp
+++ b/src/strgen/strgen_base.cpp
@@ -10,6 +10,7 @@
 #include "../stdafx.h"
 #include "../core/endian_func.hpp"
 #include "../core/mem_func.hpp"
+#include "../core/math_func.hpp"
 #include "../error_func.h"
 #include "../string_func.h"
 #include "../core/string_builder.hpp"
@@ -588,10 +589,7 @@ void StringReader::ParseFile()
 	_strgen.file = this->file;
 
 	/* For each new file we parse, reset the genders, and language codes. */
-	MemSetT(&_strgen.lang, 0);
-	strecpy(_strgen.lang.digit_group_separator, ",");
-	strecpy(_strgen.lang.digit_group_separator_currency, ",");
-	strecpy(_strgen.lang.digit_decimal_separator, ".");
+	_strgen.lang = {};
 
 	_strgen.cur_line = 1;
 	while (this->data.next_string_id < this->data.max_strings) {