diff --git a/src/compiler/compiler_internal.h b/src/compiler/compiler_internal.h
index fd924997c..26cd9995a 100644
--- a/src/compiler/compiler_internal.h
+++ b/src/compiler/compiler_internal.h
@@ -21,7 +21,7 @@
 #if LONG_DOUBLE
 typedef long double Real;
 #else
-typedef double real;
+typedef double Real;
 #endif
 
 #define MAX_ARRAYINDEX INT64_MAX
diff --git a/src/compiler/lexer.c b/src/compiler/lexer.c
index 0e23475b3..0f3e52189 100644
--- a/src/compiler/lexer.c
+++ b/src/compiler/lexer.c
@@ -431,7 +431,7 @@ static inline bool scan_hex(Lexer *lexer)
 #if LONG_DOUBLE
 		Real fval = strtold(lexer->lexing_start, &end);
 #else
-		real fval = strtod(lexer->lexing_start, &end);
+		Real fval = strtod(lexer->lexing_start, &end);
 #endif
 		if (errno == ERANGE)
 		{
@@ -499,7 +499,7 @@ static inline bool scan_dec(Lexer *lexer)
 #if LONG_DOUBLE
 		Real fval = strtold(lexer->lexing_start, &end);
 #else
-		real fval = strtod(lexer->lexing_start, &end);
+		Real fval = strtod(lexer->lexing_start, &end);
 #endif
 		if (end != lexer->current)
 		{