diff --git a/src/disasm.c b/src/disasm.c
index 6f0c4eb3..1cd34ca3 100644
--- a/src/disasm.c
+++ b/src/disasm.c
@@ -792,7 +792,7 @@ static const char *regstyle(int n, int regword) {
 }
 
 // Return the number of bits set in Number
-static unsigned bitcount(unsigned n) {
+unsigned bitcount(unsigned n) {
   unsigned ret;
 
   // A la Kernighan (and Richie): iteratively clear the least significant bit set
diff --git a/src/libavrdude.h b/src/libavrdude.h
index d77ffc90..9e520513 100644
--- a/src/libavrdude.h
+++ b/src/libavrdude.h
@@ -1744,6 +1744,7 @@ extern "C" {
   int disasm_init(const AVRPART *p);
   int disasm_init_tagfile(const AVRPART *p, const char *file);
   void disasm_zap_jumpcalls();
+  unsigned bitcount(unsigned n);
 
   int dist_rjmp(uint16_t rjmp, int flashsize);
   uint16_t rjmp_opcode(int dist, int flashsize);