diff --git a/lang/cem/cemcom.ansi/skip.c b/lang/cem/cemcom.ansi/skip.c
index f96878a74..c3687fd0a 100644
--- a/lang/cem/cemcom.ansi/skip.c
+++ b/lang/cem/cemcom.ansi/skip.c
@@ -81,12 +81,13 @@ SkipToNewLine()
 			delim = ch;
 			garbage = 1;
 		} else if (ch == '/') {
-			if ((ch = GetChar()) == '*'
+			if (GetChar() == '*'
 			    && !InputLevel
 			) {
 				skipcomment();
 				continue;
 			}
+			else UnGetChar();
 		}
 		else if (ch == TOKSEP && InputLevel) {
 			continue;
diff --git a/lang/cem/cpp.ansi/skip.c b/lang/cem/cpp.ansi/skip.c
index f03089b65..e9990ced2 100644
--- a/lang/cem/cpp.ansi/skip.c
+++ b/lang/cem/cpp.ansi/skip.c
@@ -74,10 +74,11 @@ SkipToNewLine()
 			delim = ch;
 			garbage = 1;
 		} else if (ch == '/') {
-			if ((ch = GetChar()) == '*' && !InputLevel) {
+			if (GetChar() == '*' && !InputLevel) {
 				skipcomment();
 				continue;
 			}
+			else UnGetChar();
 		}
 		else if (ch == TOKSEP && InputLevel) {
 			continue;