diff --git a/configure.ac b/configure.ac
index 6b3db53e..27e090d4 100644
--- a/configure.ac
+++ b/configure.ac
@@ -367,7 +367,7 @@ if test "$enable_static" = yes; then
 fi
 if test "$my_htop_platform" = "solaris"; then
    # On OmniOS /usr/include/sys/regset.h redefines ERR to 13 - \r, breaking the Enter key.
-   # Since ncruses macros use the ERR macro, we can not use another name.
+   # Since ncurses macros use the ERR macro, we can not use another name.
    AC_DEFINE([ERR], [(-1)], [Predefine ncurses macro.])
 fi
 AC_CHECK_FUNCS( [set_escdelay] )