diff --git a/Makefile b/Makefile
index 26b97ff..860e502 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
 # Compiler to use - can be replaced by clang for instance
-CC := gcc
+CC ?= gcc
 
 # Number of random text expressions to generate, for random testing
 NRAND_TESTS := 1000
diff --git a/re.c b/re.c
index 20d1474..1e32544 100644
--- a/re.c
+++ b/re.c
@@ -478,7 +478,7 @@ static int matchpattern(regex_t* pattern, const char* text, int *matchlength)
   else if ((text[0] != '\0') && matchone(pattern[0], text[0]))
   {
     (*matchlength)++;
-    return matchpattern(&pattern[1], text+1);
+    return matchpattern(&pattern[1], text+1, matchlength);
   }
   else
   {