diff --git a/libs/main/math/pimathbase.h b/libs/main/math/pimathbase.h
index 6691f576..6d5b9169 100644
--- a/libs/main/math/pimathbase.h
+++ b/libs/main/math/pimathbase.h
@@ -103,7 +103,7 @@ inline int sign(const double  & x) {return (x < 0. ) ? -1 : (x > 0.  ? 1 : 0);}
 inline int sign(const ldouble & x) {return (x < 0.L) ? -1 : (x > 0.L ? 1 : 0);}
 
 inline int     pow2 (const int p      ) {return 1 << p;}
-inline float   pow10(const int &     e) {return powf(10.f, e);}
+inline float   pow10(const float &   e) {return powf(10.f, e);}
 inline double  pow10(const double &  e) {return pow (10. , e);}
 inline ldouble pow10(const ldouble & e) {return powl(10.L, e);}
 // clang-format on