diff --git a/src/matrix.h b/src/matrix.h
index d0f43a71..6fe035b7 100644
--- a/src/matrix.h
+++ b/src/matrix.h
@@ -16,7 +16,7 @@
 #ifdef HAVE_CBLAS
 #include <cblas.h>
 #else
-#warning "No CLBAS"
+#warning "No CBLAS"
 #endif
 
 typedef enum {
diff --git a/src/tagger.h b/src/tagger.h
index 650c66e0..a41c5b26 100644
--- a/src/tagger.h
+++ b/src/tagger.h
@@ -1,5 +1,10 @@
+#ifndef TAGGER_H
+#define TAGGER_H
+
 #include "string_utils.h"
 #include "tokens.h"
 
 // Arguments:                           tagger, context, tokenized str,       index
-typedef bool (*tagger_feature_function)(void *, void *, tokenized_string_t *, uint32_t);
\ No newline at end of file
+typedef bool (*tagger_feature_function)(void *, void *, tokenized_string_t *, uint32_t);
+
+#endif