diff --git a/du4/program.c b/du4/program.c
index a091d06..4fd8eee 100644
--- a/du4/program.c
+++ b/du4/program.c
@@ -51,7 +51,7 @@ for(;eof!=EOF;count++){
         if(eof=='='){
             ro=1;
         }
-        if(!isdigit(eof) && eof!='.' && eof!=' ' && eof!='='){
+        if(!isdigit(eof) && eof!='.' && eof!=' '){
             k++;
         }
         if(eof!=' '){