diff --git a/src/complex.cc b/src/complex.cc
index 8e2ee6a..1fb363a 100644
--- a/src/complex.cc
+++ b/src/complex.cc
@@ -4,7 +4,7 @@
 // @Author CismonX
 //
 
-#include "arma.hh"
+#include "php_arma.hh"
 #include "complex.hh"
 
 namespace php_arma
diff --git a/src/fill.cc b/src/fill.cc
index 0a5e9ef..9e3488a 100644
--- a/src/fill.cc
+++ b/src/fill.cc
@@ -4,7 +4,7 @@
 // @Author CismonX
 //
 
-#include "arma.hh"
+#include "php_arma.hh"
 #include "fill.hh"
 
 namespace php_arma
diff --git a/src/interfaces.cc b/src/interfaces.cc
index 675eaa5..97173bd 100644
--- a/src/interfaces.cc
+++ b/src/interfaces.cc
@@ -4,7 +4,7 @@
 // @Author CismonX
 //
 
-#include "arma.hh"
+#include "php_arma.hh"
 #include "interfaces.hh"
 
 #define N_INT "Internal\\"
diff --git a/src/arma.cc b/src/php_arma.cc
similarity index 93%
rename from src/arma.cc
rename to src/php_arma.cc
index 2e8155c..021c3a2 100644
--- a/src/arma.cc
+++ b/src/php_arma.cc
@@ -1,10 +1,10 @@
 //
-// php-armadillo/arma.cc
+// php-armadillo/php_arma.cc
 //
 // @Author CismonX
 //
 
-#include "arma.hh"
+#include "php_arma.hh"
 #include "interfaces.hh"
 #include "fill.hh"
 #include "complex.hh"
diff --git a/src/arma.hh b/src/php_arma.hh
similarity index 100%
rename from src/arma.hh
rename to src/php_arma.hh
index c54b9c0..2a8bc6f 100644
--- a/src/arma.hh
+++ b/src/php_arma.hh
@@ -17,14 +17,14 @@
 #include <zend_exceptions.h>
 #include <complex>
 
+#define PHP_ARMA_VERSION         "0.0.1"
+
 #if PHP_VERSION_ID >= 70400
 #define ZEND_ACC_CTOR            0
 #endif
 
 extern zend_module_entry arma_module_entry;
 
-#define PHP_ARMA_VERSION         "0.0.1"
-
 typedef std::complex<double> cx_double;
 
 /// Helper functions.