diff --git a/tools/pymol_asphere/src/asphere_vis.cpp b/tools/pymol_asphere/src/asphere_vis.cpp
index 8009bb2738..e601e14e23 100644
--- a/tools/pymol_asphere/src/asphere_vis.cpp
+++ b/tools/pymol_asphere/src/asphere_vis.cpp
@@ -17,6 +17,7 @@ __________________________________________________________________________
 #include "commandline.h"
 #include "glsurface.h"
 #include <limits>
+#include <cstring>
 
 // Describe the program parameters
 void Describe(CommandLine &cl,ostream &out);
diff --git a/tools/pymol_asphere/src/error.cpp b/tools/pymol_asphere/src/error.cpp
index ee6f4df0b7..0bbd090566 100755
--- a/tools/pymol_asphere/src/error.cpp
+++ b/tools/pymol_asphere/src/error.cpp
@@ -12,6 +12,7 @@
  ***************************************************************************/
 
 #include "error.h"
+#include <cstring>
  
 Notice::Notice() {
 	nullout=new ostream(NULL);
diff --git a/tools/pymol_asphere/src/misc.h b/tools/pymol_asphere/src/misc.h
index 16854829ec..2c9d27413b 100755
--- a/tools/pymol_asphere/src/misc.h
+++ b/tools/pymol_asphere/src/misc.h
@@ -25,6 +25,7 @@
 #include <stdlib.h>
 #include <time.h>
 #include <unistd.h>
+#include <assert.h>
 
 using namespace std;